FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-150-2239 FSC 4820

NSN 4820-01-150-2239 (also written 4820011502239; NIIN 01-150-2239) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 2 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. 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
FLOW CONTROL DEVICE ADQU	DISK
BONNET TYPE ADSR	INSIDE SCREW
BONNET ATTACHMENT METHOD ADST	BOLTED
DISK LOADING METHOD ADSU	SPRING
MAXIMUM OPERATING TEMP AEHZ	SINGLE RESPONSE FAHRENHEIT 250.0
CONNECTION STYLE AHNC	—
VALVE OPERATION METHOD AQLR	AUTOMATIC
CONNECTION TYPE AWLS	ALL ENDS UNTHREADED INTERNAL TUBE
ADJUSTABLE PRESSURE RANGE CQCY	POUNDS PER SQUARE INCH 33.0 TO 40.0
OPERATING PRESSURE CQQF	SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD	ALL ENDS INCHES 1.050
SPECIAL FEATURES FEAT	INCLUDES HAND LIFTING DEVICE
MATERIAL MATT	SEAT NICKEL ALLOY
MATERIAL MATT	BODY COPPER ALLOY
MATERIAL MATT	FLOW CONTROL DEVICE NICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	STEM ASSN STD SINGLE MATERIAL RESPONSE AST- A276
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B-61
MEDIA FOR WHICH DESIGNED MEDA	SINGLE RESPONSE WATER, FRESH
STYLE DESIGNATOR STYL	—

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
D48662 PART R10AE1E109	11859	HUNT VALVE COMPANY, INC.
D48662 PART R10AE1E109	34889	HUNT VALVE COMPANY INC DBA UNION FLONETICS
D48662 PART R1A	34889	HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AE1E109	11859	HUNT VALVE COMPANY, INC.
R10AE1E109	34889	HUNT VALVE COMPANY INC DBA UNION FLONETICS

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
SPE7M1-26-T-272S	Aug 12, 2026	Aug 24, 2026	1	Expired	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,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-150-2239/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-150-2239/