FSC 4820 × VALVE,CHECK

VALVE,CHECK

4820-00-998-4879 FSC 4820

NSN 4820-00-998-4879 (also written 4820009984879; NIIN 00-998-4879) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

This item is coded to be bought directly from the actual manufacturer (AMC 3).

Acquisition method (AMC)

Suffix (AMSC)

Competition

Coded for a named source

AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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	3B
CONNECTION TYPE AWLS	FIRST END THREADED INTERNAL BOSS
MOUNTING POSITION BBJX	HORIZONTAL OR VERTICAL
THREAD QUANTITY PER INCH CMLP	12
NOMINAL THREAD SIZE CQJX	FIRST END INCHES 2.500
OPERATING PRESSURE CQQF	SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4000.0
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD	FIRST END INCHES 2.500
MEDIA FOR WHICH DESIGNED MEDA	SINGLE RESPONSE FUEL/OIL, HYDROCARBON
STYLE DESIGNATOR STYL	—
THREAD DIRECTION AAJF	FIRST END RIGHT-HAND
FLOW CONTROL DEVICE ADQU	POPPET
DISK LOADING METHOD ADSU	SPRING
MAXIMUM OPERATING TEMP AEHZ	SINGLE RESPONSE FAHRENHEIT 275.0
CONNECTION STYLE AHNC	—
VALVE OPERATION METHOD AQLR	AUTOMATIC
MATERIAL MATT	BODY STEEL CORROSION RESISTING
MATERIAL MATT	FLOW CONTROL DEVICE STEEL CORROSION RESISTING
MATERIAL MATT	SEAT STEEL CORROSION RESISTING
THREAD SERIES DESIGNATOR THSD	FIRST END UN

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
3-2367-8	86768	TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
510793-8	09990	PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION
510793-8	14775	RG INDUSTRIES INC DIV RG GROUP
510793-8	3L123	PROGRESSIVE HYDRAULICS, INC.
510793-8	80020	NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST

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
SPE7M2-26-Q-0809	Sep 16, 2026	Sep 23, 2026	37	Cancelled	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 10, 2026.
Contract action totals: USAspending, context only.
Full methodology →

Cite this page

Citation

NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-998-4879/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-00-998-4879/