FABRICATION OF ONE STERN TUBE SHAFT ASSEMBLY

Solicitation / RFP / RFQ

This solicitation is for the fabrication of one (1) USS Mount Whitney (LCC20) stern tube shaft assembly. The government anticipates awarding a firm-fixed-price Supply-type Purchase Order.

• Fabrication of one (1) stern tube shaft assembly, including specific components such as the stern tube shaft, half collars, inboard coupling, inboard coupling keys, and flathead machine screws.

• All materials must meet specified military and industry standards (e.g., MIL-S-23284A, ASTM B369).

• Components require dimensional certification, physical characteristics certification, and testing (including non-destructive testing) in the presence of ABS and Government Representative.

• Specific requirements for machining, fitting, coating, and assembly are detailed.

• Unique item identification and valuation are required for all items.

• Contract Type: Firm-fixed-price Supply-type Purchase Order.

• Period of Performance: Delivery is required by September 30, 2027.

• Estimated Value: Not explicitly stated, but the solicitation is for a single award for all items.

• Proposal or quote submission deadline: June 1, 2026, 12:00 PM local time.

• Questions deadline: One day prior to the solicitation closing date.

• Evaluation Factors: The most advantageous offer will be selected based on the following factors in no relative order of importance: Technical including delivery date, Past performance, and Price.

• Quotes must be submitted to the Contracting Official and POCs identified in SAM.gov.

• This acquisition is set aside for Small Business.

• Offerors must be registered in the System for Award Management (SAM).

• Offerors must be registered in the Joint Certification Program (JCP) to obtain access to necessary drawings.

• Distribution D drawings are available upon JCP registration and submission of a Technical Data Non-Disclosure Form.

• Invoices must be submitted via Wide Area WorkFlow (WAWF).

• The Government reserves the right to make a single award for all items.

Form / Attachment / Pricing Sheet

This document is a Use and Non-Disclosure Agreement (NDA) for Government Technical Data. It outlines the terms under which the Government will provide technical data, computer software, or both to the Offeror. The Offeror must agree to specific terms to protect this data.

• The Government agrees to provide Data related to USS Mount Whitney, subject to specific DoD directives.
• The Offeror agrees to:
  • Designate a corporate principal to ensure compliance.
  • Use the Data solely for proposal preparation and contract performance for solicitation N0040626Q0177.
  • Comply with dissemination restrictions, export controls, and organizational controls for data access.
  • Not copy, release, or distribute the Data to unauthorized individuals.
  • Identify subcontractors and their principals who will sign flow-down NDAs.
  • Ensure third-party disclosures are subject to similar NDAs.
  • Return or destroy the Data upon contract award to another entity or upon contract completion.
  • Cooperate with the Government in recovering or destroying unauthorized Data and reimburse costs for unauthorized disclosures.
• The form requires the Offeror's legal name, Cage Code, address, and authorized representative's signature and date.
• It also includes a section to list applicable vendor(s)/subcontractor(s) and their contact information for flow-down NDAs.

This NDA is critical for any bidder who will be provided with technical data or software by the Government for this solicitation (N0040626Q0177). Bidders must understand and agree to these terms to receive and use the data. Failure to comply can result in significant liabilities. The form requires specific information about the Offeror and any subcontractors involved in handling the data, which must be completed accurately.

Form / Attachment / Pricing Sheet

This document, "TABLE I. Chemical Composition (weight percent)", appears to be a technical specification or attachment detailing the chemical composition requirements for different material classes. It is likely used to define the acceptable ranges of various elements for materials used in the opportunity.

• Elements: Lists various chemical elements such as Carbon, Manganese, Phosphorus, Sulfur, Silicon, Nickel, Chromium, Molybdenum, Vanadium, Copper, Tin, Arsenic, Titanium, Antimony, Boron, Bismuth, Cadmium, Lead, and Zinc.
• Classes: Provides chemical composition limits for six different material classes (Class 1 through Class 6).
• Limits: Specifies percentage ranges or maximums for each element within each class.
• Notes: Includes important clarifications regarding the combined limits of phosphorus and sulfur, adjustments for section size and heat treatment, the silicon maximum when vacuum carbon deoxidation is used, and which elements are not required for heat analysis.

Bidders must consult this table to understand the material specifications required for the opportunity. This information is critical for:

• Material Selection: Ensuring that any proposed materials meet the specified chemical composition requirements for the relevant class.
• Compliance: Verifying that the materials used in their proposed solution adhere to the defined standards.
• Proposal Preparation: Potentially requiring bidders to confirm or certify that their materials meet these specifications in their proposals.

Form / Attachment / Pricing Sheet

This document, "TABLE III. Mechanical properties," provides detailed mechanical property requirements for different classes of material, likely steel, as specified in MIL-S-23284A(SH).

• Yield Strength: Specified at 0.01% and 0.2% offset, in pounds per square inch (lb/in²), for six different material classes.
• Tensile Strength: Provided in lb/in² for longitudinal and transverse directions, with ranges for each class.
• Elongation: Measured in 2 inches, for both longitudinal and transverse directions, as a percentage.
• Reduction of Area: Specified as a percentage for longitudinal and transverse directions.
• Charpy V-notch Impact: Details test temperature in degrees Fahrenheit (°F) and corresponding impact values in foot-pounds for various temperature points.
• Brinell Hardness: Provided for a 10-mm standard ball with a 3000-Kilogram load, with ranges for each class.
• Notes: Includes specific requirements for transverse properties, impact test minimums, and reporting details.

This table is crucial for bidders to understand the material specifications required for the opportunity. It outlines the precise mechanical properties that any proposed materials must meet, influencing material selection, testing, and compliance verification during proposal preparation and contract execution.