Presolicitation

Stem-Disc Assy

Department of Defense · Department of the Navy

AI summaryThis is a presolicitation (an advance notice before the real solicitation) from NAVSUP Weapon Systems Support, a Navy buying office, for 51 stem-disc assemblies (NSN 1H-4820-017390468-X2), delivered to the Receiving Officer at Kittery, Maine. SAM.gov shows a total small business set-aside, and the notice says the Government owns the technical data and the data package is complete. The response deadline on SAM.gov is November 23, 2026, 11:00 PM Eastern (an amendment moved it to Nov 27, 2026, 2:00 PM UTC-4 · 1:00 PM Eastern). More in the summary

Advance notice of a coming solicitation, not a bid yet. If it asks for capability statements, sending one is free and puts you on Department of the Navy's list before the solicitation is posted. See the contact

A newer version of this notice was posted Oct 27, 2026. It moves the due date from Nov 23, 2026 to Nov 27, 2026, which is the date shown on this page. See the latest version.

AI summary Beta

Written by AI from the notice text. Check dates on SAM.gov.

Summary of the version posted Oct 15, 2026. The notice was amended Oct 27, 2026. The due date moved from Nov 23, 2026 to Nov 27, 2026. Check what else changed on SAM.gov. Some details are in the notice's attachments, which this summary didn't read. Check the attachments on SAM.gov.

This is a presolicitation (an advance notice before the real solicitation) from NAVSUP Weapon Systems Support, a Navy buying office, for 51 stem-disc assemblies (NSN 1H-4820-017390468-X2), delivered to the Receiving Officer at Kittery, Maine. SAM.gov shows a total small business set-aside, and the notice says the Government owns the technical data and the data package is complete. The response deadline on SAM.gov is November 23, 2026, 11:00 PM Eastern.

Who can bid

Small business: SAM.gov shows this as a total small business set-aside, so only small businesses can bid

How to submit: due November 23, 2026, 11:00 PM Eastern. What to include is under Full summary below. Check the solicitation's instructions on SAM.gov.

Things to watch (5)

Serious: Unit of issue not stated. The notice says "QTY 51" but not per what (each, set, lot). A quote is priced per unit: ask the contracting officer before you price.
Serious: Small business set-aside. SAM.gov shows a total small business set-aside, so only small businesses can bid.
Worth checking: Presolicitation, not yet a request for offers. This is an advance notice, so the actual solicitation with terms, evaluation and due date for offers is not here, and the notice does not say what the November 23, 2026 response should contain.

Show all 5Show fewer

Worth checking: Commercial item interest window. The Government is not using the commercial item rules (FAR Part 12), but a business can tell the contracting officer it can supply a commercial item within 15 days of the notice.
Minor: Technical data package not in the notice. The notice says the data package is complete but does not include it, so you need to get the drawings and specifications before pricing.

Read from the notice text only.

Full summary

What they want

Supply stem-disc assemblies under National Stock Number (NSN) 1H-4820-017390468-X2, technical data package (TDP) version 001, quantity 51 (shown as 51 AY)
Deliver to N75000, Receiving Officer, Kittery, ME 03904-5000
Get any referenced military and federal specifications and standards from the DoD Single Stock Point or ASSIST-Online (the Defense Department's document sites)
If you offer a commercial item instead, tell the contracting officer of your interest and capability

Estimated value: Not stated
Offers due: November 23, 2026, 11:00 PM Eastern (from the version posted Oct 15, 2026; amended since)

What to include when you submit

To offer a commercial item, identify your interest and capability to the contracting officer within 15 days of this notice, as the notice is written

Not in the notice text

The solicitation itself, the technical data package (TDP) and the drawings are not in this notice.
What a response to this presolicitation should contain, and where to send it, is not stated.
The NAICS code (the industry classification number) is blank on SAM.gov.
Delivery date, contract type and how the award is decided are not stated.
The Government's estimated value is not stated.

Eligibility and how to respond

Set aside for small businesses: only a business that counts as small under this notice's NAICS code can bid as the prime contractor. More open small business set-asides
How and where to submit is in the notice text and its attachments on SAM.gov.

Notice details

Posted: Oct 15, 2026
Notice type: Presolicitation
Office: NAVSUP Weapon Systems Support Mech, Mechanicsburg, PA
Product/service code: 4820 · Valves, Nonpowered
Business type: Manufactured parts & equipment (FedReady's grouping, from product/service code 4820)
Versions: 2 versions have been posted, newest first.
Oct 27, 2026 · SolicitationDue Nov 27, 2026 (changed)
Oct 15, 2026 · Presolicitation (this version)Date Nov 23, 2026
Attachments: Checking SAM.gov for this notice's files…
See attachments on SAM.gov

Past awards and competition

Who has won work like this before, the likely incumbent, and what similar contracts paid, from USAspending.gov.

Before you respond

Terms on this notice: Solicitation, Set-aside

Full notice text from SAM.gov

NSN 1H-4820-017390468-X2, TDP VER 001, QTY 51 AY, DELIVER TO N75000, RECEIVING OFFICER, KITTERY, ME 03904-5000. The Government has rights to the technical data, the data package is complete, and there are no technical data, engineering, tooling or manufacturing restrictions. (This is the only A/RMSC that implies that parts are candidates for full and open competition. Other A/RMSCs such as K, M, N, Q, and S may imply limited competition when two or more independent sources exist yet the technical data package is inadequate for full and open competition.) A/RMCs 1 or 2 are valid. Interested parties may obtain copies of Military and Federal Specifications and Standards, Qualified Products Lists (QPLs), Qualified Product Databases (QPDs), Military Handbooks, and other standardized documents from the DoD Single Stock Point (DODSSP) at Document Automation and Production Service (DAPS) in Philadelphia, PA. NOTE: Patterns, Drawings, Deviation Lists, Purchase Descriptions, etc. are NOT stocked at DODSSP. Most documents are available in Adobe PDF format from ASSIST-Online at: http://quicksearch.dla.mil/. Users may use ASSIST-Quick Search to search for and download available documents directly using standard browser software. Documents that are not available for downloading from ASSIST-Quick Search can be ordered from the DODSSP website using the ASSIST Shopping Wizard after obtaining a DODSSP Customer Account by following the registration procedures. Users who do not have access to the internet may contact the DODSSP ASSIST Help Desk at 215-697-2667 or 215-697-2179(DSN: 442-2667), or mail their requestDLA Document Services, Bldg. 4/D, 700 Robbins Avenue, Philadelphia PA 19111-5094. Based upon market research, the Government is not using the policies contained in FAR Part 12, Acquisition of Commercial Items, in its solicitation for the described supplies or services. However, interested persons may identify to the contracting officer their interest and capability to satisfy the Government's requirement with a commercial item within 15 days of this notice.

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