FSC 4820 × SEAT,VALVE

SEAT,VALVE

4820-01-432-8202 FSC 4820

NSN 4820-01-432-8202 (also written 4820014328202; NIIN 01-432-8202) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation	Qty	Status
SPE7MC-27-T-0733	8	Closes in 7d	Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (AMC)

Suffix (AMSC)

Competition

Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. The codes describe the item's status on record, not any one solicitation. What the codes mean

What it is — can you make it?

Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.

Specifications

From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.

Requirement	Value
THREAD CLASS AAJD	3A
THREAD LENGTH AASA	SINGLE THREADED PORTION INCHES NOMINAL 0.218
FLANGE DIAMETER ABKK	INCHES NOMINAL 0.930
BODY INSIDE DIAMETER ADAS	INCHES MINIMUM 0.496 AND INCHES MAXIMUM 0.504
END ITEM IDENTIFICATION AGAV	NAVY WEAPONS SYSTEM JG, SEAWOLF CLASS SSN
FLANGE SEAT TO DISK END HEIGHT AJRF	INCHES NOMINAL 0.188
UNDER FLANGE HEIGHT AJRM	INCHES NOMINAL 0.312
SEAT ANGLE IN DEG AJSG	NOMINAL 45.000
THREAD QUANTITY PER INCH CMLP	24
NOMINAL THREAD SIZE CQJX	SINGLE THREADED PORTION INCHES 0.7656
SEATING SURFACE SHAPE CQKM	ANGULAR
MATERIAL MATT	OVERALL COBALT
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-24252 CO- 1, COND CA-7
STYLE DESIGNATOR STYL	—
THREAD SERIES DESIGNATOR THSD	SINGLE THREADED PORTION UNS

Manufacturer part numbers

Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.

Part number	CAGE	Manufacturer
6397434	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-023	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-058	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X23XXX-023	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X23XXX-058	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X24XXX-023	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X24XXX-058	53711	NAVAL SEA SYSTEMS COMMAND

What it pays — so you can quote

The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.

Latest unit price

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Purchases

Total spend

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Last purchased

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Purchase records

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Total demand

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Latest award total

Compare with other items

Purchase history

No priced purchases on record for this NSN yet.

Related contract actions

Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.

No related contract actions on record.

Demand history

Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.

Solicitation	Issued	Closes / closed	Qty	Status
SPE7MC-27-T-0733	Oct 15, 2026	Oct 26, 2026	8	Open	View at DIBBS →

Open RFQs on DIBBS → DIBBS award history ↗

About this data

Unit prices: DLA DIBBS award records — every row links to its government record.
AMSC: latest observed value from DIBBS solicitation history as of Oct 15, 2026.
Contract action totals: USAspending, context only.
Full methodology →

Cite this page

Citation

NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-432-8202/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-432-8202/