C-5 Avionics Regulated Transformer Rectifier Unit (RTRU) 400 AMP

Amendment / Modification

• Extends the date for receipt of proposals.

  • Original deadline: 01 Jun 2026
  • New deadline: 10 Jul 2026

• Proposal submission deadline.

• The deadline for submitting proposals has been extended to 10 July 2026. All other terms and conditions of the original solicitation remain unchanged.

Amendment / Modification

This amendment modifies solicitation SPRWA1-26-R-0016-0002.

• The proposal receipt date has been extended from April 30, 2026, to June 1, 2026.

• An updated Statement of Work (SOW) is incorporated.

• The deadline for proposal submission.

• The Statement of Work.

• Bidders are granted an extension until June 1, 2026, to submit their proposals.

• The updated Statement of Work should be reviewed for any changes to requirements.

Statement of Work (SOW)

This Statement of Work (SOW) details the requirements for procuring a production first article, flight-ready Regulated Transformer Rectifier Unit (RTRU) 400 AMP for the C-5 aircraft. The RTRU provides regulated +28 Volts Direct Current (VDC) at 400A maximum, using 115 Volts Alternating Current (VAC), 400 Hertz (Hz), 3-phase power as input. These units are essential for C-5 Avionics and are expected to be used until the aircraft's retirement in 2050.

• Manufacture, inspect, test, and deliver RTRU 400 AMP assets that conform to the approved design.

• Provide a Form, Fit, Function, and Interface (F3I) production flight-ready RTRU 400 AMP.

• Address Diminishing Manufacturing Sources and Material Shortages (DMSMS) and obsolescence issues.

• Deliver one (1) production first article flight-ready unit within 3 months of contract award for validation.

• All production first article units must pass Formal Qualification as specified in Source Control Drawing (SCD) 4B99005.

• Deliverables must meet requirements outlined in referenced drawings and specifications (SCD 4B99005, Specification LG03ER0144, Interface Control Document LG03ER0124).

• Period of Performance: One (1) basic year followed by four (4) one-year options, totaling five (5) years.

• Place of Performance: Contractor's facilities. Flight or integration testing may occur at a USAF installation.

• Data Requirements: Includes Item Unique Identification (IUID) Marking Plan and Activity/Verification Report, and Counterfeit Prevention Plan (CPP).

• Counterfeit Electronics Parts: Contractors must establish policies and procedures to mitigate the risk of counterfeit parts, adhering to SAE AS5553 standards. This includes risk assessment, testing, verification, and reporting.

• Government Property: Procedures for reporting loss and return/retention of Government property.

• Security & Cybersecurity: Compliance with security regulations and cybersecurity best practices.

• Packaging: Must comply with AFMC Form 158 and applicable Government regulations.

• Supply Chain Risk Management (SCRM): Contractor must identify, assess, plan for, and mitigate supply chain risks.

Amendment / Modification

• Extends the date for receipt of proposals.

• The new deadline for proposal submission is April 30, 2026.

• The previous deadline was April 6, 2026.

• The deadline for receipt of offers (proposals).

• The deadline for submitting proposals has been extended to April 30, 2026.

Statement of Work (SOW)

This Statement of Work (SOW) describes the requirements to procure a production first article flight-ready Regulated Transformer Rectifier Unit (RTRU) 400 AMP for use on the C-5 aircraft. The RTRU provides regulated +28 Volts Direct Current (VDC) at 400A maximum, using 115 Volts Alternating Current (VAC), 400 Hertz (Hz), 3-phase power. The goal is to provide a Form, Fit, Function, and Interface (F3I) replacement for the legacy item, addressing Diminishing Manufacturing Sources and Material Shortages (DMSMS) and obsolescence issues.

• Manufacture, inspect, test, and deliver RTRU 400 AMP assets conforming to the approved design.

• Deliver two (2) production first article flight-ready units within 6 months of contract award.

• Incorporate current, nonproprietary parts and technology with qualified sources defined by drawings and specifications.

• Address Counterfeit Electronics Parts risks by establishing policies and procedures for avoidance, detection, mitigation, and disposition, adhering to AS5553A.

• Develop and implement a Supply Chain Risk Management (SCRM) plan.

• All production first article units must pass Formal Qualification as specified in Source Control Drawing (SCD) 4B99005.

• Deliverables must meet specifications outlined in SCD 4B99005, Specification LG03ER0144, and Interface Control Document LG03ER0124.

• Counterfeit Prevention Plan (CPP) and Item Unique Identification (IUID) Marking Plan are required.

• Period of Performance: One (1) basic year followed by four (4) one-year options, totaling five (5) years.

• Place of Performance: Contractor's facilities. Flight testing or integration testing is expected at a USAF installation.

• Security Clearance: SECRET level required for contractor/subcontractor personnel.

• Cybersecurity: Assessment and technical support required.

• Government Property: Contractor must report loss of Government property and return all deliverable items upon contract completion.

• Counterfeit Prevention: Strict adherence to AS5553A and development of a Counterfeit Prevention Plan (CPP) is mandatory.

• Item Unique Identification (IUID): Required for all deliverable items.

• Packaging: Must comply with AFMC Form 158, Packaging Requirements, and applicable Government regulations.

Form / Attachment / Pricing Sheet

This document outlines the requirements for First Article approval, which is a process to ensure that a contractor can produce an item that meets all specified requirements before commencing full production. It details the quantity of first articles, whether they serve as a manufacturing standard, and the associated testing and inspection requirements.

• First Article Quantity: 2 units.
• Manufacturing Standard: First articles will NOT serve as a manufacturing standard.
• Production Facilities: Required to be manufactured at facilities where the item will be produced under contract, with certification required.
• Testing Requirements: Contractor testing is required. A test plan (DD Form 1423 ELIN A004) is required, due 60 calendar days from contract date. Government approval/disapproval is due within 40 days.
• Test Report: Required (DD Form 1423 ELIN A005), due 270 calendar days from contract date. Government approval/disapproval is due within 30 days of report receipt.
• Delivery: First articles are due within 365 calendar days from contract date and delivered to 409 SCMS/GUEA at Robins AFB, GA.
• Disposition of First Articles: Approved first articles will be installed on aircraft/equipment and will not be forwarded to USAF Supply. Disapproved first articles will be retained by WR-ALC.
• Waiver Conditions: Offerors who have previously furnished production quantities of the same or similar article to the Government and exhibited satisfactory performance may be eligible for a waiver, provided not more than 36 months have elapsed since contract completion.

This document is critical for bidders to understand the specific requirements and timelines for First Article approval. It details the number of units required, the testing and reporting procedures, delivery schedules, and the disposition of approved/disapproved articles. Bidders must carefully review these requirements to ensure they can meet them, especially regarding production facilities, testing timelines, and the potential for a waiver. The electronic submission of documentation is also emphasized.

Form / Attachment / Pricing Sheet

This document outlines specific packaging requirements and instructions for vendors responding to a solicitation. It details compliance with international restrictions on Wood Packaging Material (WPM) and specifies standards for lumber, pallets, and containers used in worldwide shipments.

• Wood Packaging Material (WPM) Compliance: Requires WPM to be debarked and heat-treated (HT) to 56 degrees Celsius for 30 minutes, with certification by an ALSC-recognized agency. References International Standards for Phytosanitary Measures (ISPM) No. 15.
• Packaging Levels: Specifies "MIL Long Line Packaging" with Preservation Level "MIL" and Packaging Level "B".
• Unit Pack Details: Provides dimensions for unit packs (Length: 25.0, Width: 19.0, Depth: 17.0, Cube: 4.673).
• Container Reuse: Instructions for reclaiming, storing, or disposing of serviceable and unserviceable shipping containers.
• Supplemental Instructions: Requires 31 units of desiccant.
• Marking: Mandates compliance with MIL-STD-2073-1 for military packaging and MIL-STD-129 for shipping and storage markings. Additional marking or bar coding requirements may apply as specified on AFMC Form 158.

Vendors must adhere to these packaging and marking requirements to ensure compliance with the contract. This includes sourcing compliant WPM, properly preparing unit packs, and applying correct markings. Failure to comply could impact shipment acceptance and contract performance.

Forms / Attachments / Pricing Sheets

This document is a Contract Data Requirements List (CDRL) detailing various data items required from the contractor. It specifies the type of data, submission requirements, and distribution.

• Data Item Numbers (A001-A005): Includes Item Unique Identification (IUID) Marking Plan, IUID Marking Activity Validation and Verification Report, Counterfeit Prevention Plan, First Article Test/Inspection Procedures and Plan (FAT/IPP), and First Article Test/Inspection Procedures and Report (FAT/IPR).
• Submission Requirements: Specifies submission deadlines (e.g., within 30, 240, 60, or 270 calendar days after contract award), approval processes, and resubmission timelines if disapproved.
• Distribution: Identifies the requiring office (409 SCMS) and specifies distribution statement D, meaning authorized for DoD and US DoD contractors for administrative or operational use.
• Format: Electronic submission in PDF is preferred, with specific instructions for large files or alternative mailing addresses.

This CDRL outlines critical deliverables and their associated timelines and submission procedures. Bidders must understand these requirements to accurately estimate costs and resources, and to ensure compliance if awarded the contract. The specific data items listed (e.g., IUID Marking Plan, Counterfeit Prevention Plan, Test Plans) indicate key areas of focus for the government's procurement.

Form / Attachment / Pricing Sheet

This document is a pricing matrix template provided for bidders to submit their pricing proposals. It outlines the structure for pricing different CLINs (Contract Line Item Numbers) across multiple pricing periods.

• CLINs and NSNs: Identifies specific contract line items and their associated National Stock Numbers.

• Estimated Total Contract Quantity: The total quantity expected for each CLIN.

• Priced Quantity Range: Bidders must define quantity ranges within each pricing period and provide unit prices for each range. Pricing must be provided for every unit from 1 EA to the Estimated Total Contract Quantity.

• Unit Price: The price per unit for a given quantity range.

• Pricing Periods: The matrix includes columns for pricing across multiple periods (e.g., Pricing Period 1: Date of Award Thru 12 Calendar Months, Pricing Period 2: 13 Calendar Months Thru 24 Calendar Months, etc.). Note that the 'PRICING MATRIX (PROPOSE HERE)' sheet shows different pricing period durations (e.g., Period 1: Date of Award Thru 24 Calendar Months).

• Evaluated Price Calculations: Columns for calculating the evaluated price for each pricing period based on proposed unit prices and quantities.

• Contract Maximum Calculation: A column to reflect the calculation of the maximum contract value.

• Bidders must use this format to submit their pricing. Failure to adhere to the format may result in the offer being deemed ineligible for award.

• The matrix requires detailed pricing for specific quantity ranges and across multiple contract periods.

• Understanding the quantity ranges and the calculation of the 'Total Evaluated Price' is crucial for proposal preparation.

• Note the specific instructions regarding quantity ranges and the calculation of the evaluated price, which differ slightly between the 'EXAMPLE PRICING MATRIX' and the 'PRICING MATRIX (PROPOSE HERE)' sheets (e.g., multiplier for total evaluated price is .02 in the example and .2 in the propose here sheet).

Form / Attachment / Pricing Sheet

This document, DD FORM 1653, provides detailed transportation data for solicitations. It specifies recommended F.O.B. terms, transportation provisions, and clauses, along with information on freight classification and vendor transportation instructions. It also includes details for transportation funds and item/ship-to information.

• F.O.B. Terms: Recommended as 'Origin' or 'Destination'.
• Transportation Provisions/Clauses: References FAR citations such as 52.247-29 and 52.247-53.
• Vendor Transportation Instructions: Directs vendors to contact DCMA Transportation for shipping instructions on "DCMA Administered" contracts, especially for FOB: Origin, Foreign Military Sales (FMS), and FOB: Destination OCONUS/Export movements. It emphasizes the need to obtain regulatory clearances and shipping documentation via the DCMA Shipment Instruction Request (SIR) eTool System.
• Transportation Funds Information: Includes Purchase Instrument Line LOA, First Destination Transportation Account Code, and Second Destination Transportation Account Code.
• Item/Ship To(s): Lists National Stock Numbers (NSN) or Pseudo NSNs, Purchase Instrument Line Item Numbers, Ship To DoDAAC/MAPAC, Mark For information, and the physical address for DLA DISTRIBUTION WARNER ROBINS.

This form is crucial for bidders to understand the shipping terms, required points of contact for transportation instructions, and the designated delivery locations. Adhering to the specified transportation procedures and contacting the correct DCMA offices is essential to avoid potential vendor expenditures and ensure compliance.

Solicitation / RFP / RFQ

This solicitation is for a single Indefinite Delivery/Requirements type contract for Regulated Transformer Rectifier Units (RTRU). The contract has a potential ordering period of five years, structured as an initial 24-month period followed by three 12-month ordering periods.

• The primary item is the Regulated Transformer Rectifier Unit (RTRU), NSN: 6120-01-524-9044, P/N: 716340-1.

• A First Article (FA) delivery is required, consisting of two (2) units, with delivery 365 calendar days after receipt of a funded delivery order.

• Production Units are also required, with a Best Estimated Quantity (BEQ) of 58 EA for the contract period.

• Packaging requirements are in accordance with AFMC Form 158.

• Transportation requirements are in accordance with DD Form 1653.

• Items shall be marked in accordance with MIL-STD-130.

• Item Unique Identification (IUID) marking is required for certain items.

• Contract Type: Indefinite Delivery/Requirements.

• Period of Performance: Five years (24 months initial + three 12-month periods).

• Estimated Value: Not explicitly stated, but pricing information is to be submitted on the attached Pricing Matrix.

• Proposals are due by April 6, 2026, 11:59 PM.

• All clauses and provisions in the solicitation are important and must be completed.

• Signing the face page acknowledges review and agreement.

• Pricing information is to be submitted on the attached Pricing Matrix.

• Evaluation criteria are not detailed in the provided sections.

• The acquisition is set aside for Small Business.

• Early delivery is authorized and accepted at no additional expense to the Government.

• The CLIN structure will change from X001 to a numeral corresponding to the Ordering Period year (000X, 100X, 200X, 300X).

• Specific delivery dates will be established upon issuance of each delivery order.

• Orders for production units will not be issued until final approval of the First Article.