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Accepting bidstenderUnited States

PROCUREMENT of Design and Production of Flat Railcars-Psc 2220- Naics 336510

Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC CRANE · via SAM.gov — US federal contract opportunities

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Published
26 Oct 2026
Closes
25 Nov 2026, 19:00 UTC
Reference
N0016426RGW20
Location
United States
Sector
Manufacturing & Supply

At a glance

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC CRANE in United States has published a tender in manufacturing & supply: “PROCUREMENT of Design and Production of Flat Railcars-Psc 2220- Naics 336510”. Submissions close on 25 November 2026, 22 days from today. Quote reference N0016426RGW20 in any correspondence with the buyer. FreeTender has recorded 25 notices from this buyer since 2026, 3 of them currently open. There are 2,204 open manufacturing & supply notices in United States on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.

Details

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC CRANE is soliciting N0016426RGW20-PROCUREMENT of Design and Production of Flat Railcars-Psc 2220- Naics 336510. Solicitation number N0016426RGW20. Classified under NAICS 336510 — Railroad Rolling Stock Manufacturing. Product/service code 2220 — RAIL CARS. Responses are due by 25 November 2026 19:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

Amendment 0001: The purpose of this amendment is to extend the closing date and time from 2:00 PM on 20 February 2026 to 2:00 PM on 6 March 2026.

Amendment 0002: The purpose of this amendment is to

1. Extend the proposal due date until 13 March 2026 at 2pm (Eastern Standard Time).

2. Provide Answers to submitted questions in Section B

3. Replace the original GFI Attachment with an updated attachment that now includes Drawing #WS20972A in Section J.

4. Add Drawing WS20972A to attacments in Section J

5. Add Government Furnished Property list to Section J

Amendment 0003: The purpose of this amendment is to

1. Provide answers to questions #28 through #32

Amendment 0004: The purpose of this amendment is to

1. Extend the proposal due date until 27 March 2026 at 2pm (Eastern Standard Time).

2. Provide Answers to submitted questions #33 through #35

3. Add FAR Clause 52.219-4 that was inadvertently omitted

In addition, access to Amendments 0002 and 0003 have been changed from "Public" to "Secure."

Amendment 0005: The purpose of this amendment is to

  • Revise requirement documents.
  • Provide updated answers to previously posed questions.
  • Extend the closing date for proposal receipt from 28 March 2026 to 18 May 2026.
  • Add a Summary of Changes to Requirement.

Amendment 0006: The purpose of this amendment is to

  • Provide answers to questions #36 through #37.

Amendment 0007: The purpose of this amendment is to

  • This amendment is to change the scope of work by updating the Statement of Work and reducing the number of Contract Data Requirement Lists (CDRLs). Closing date extended to November 25, 2026, at 2:00pm (EST).

Context for bidders

We hold 25 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC CRANE, going back to September 2026 — 3 of them still open. They buy mostly in Manufacturing & Supply, Financial & Professional Services and Construction & Infrastructure. There are 2,204 open Manufacturing & Supply tenders in United States. This one closes in 22 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this manufacturing & supply opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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