FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-127-6666 FSC 4820

NSN 4820-01-127-6666 (also written 4820011276666; NIIN 01-127-6666) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 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	STEM
MAXIMUM OPERATING TEMP AEHZ	SINGLE RESPONSE FAHRENHEIT 150.0
END ITEM IDENTIFICATION AGAV	LOS ANGELES CLASS SSN(688)
VALVE OPERATION METHOD AQLR	AUTOMATIC
FLANGE SHAPE ARKN	ALL ENDS ROUND WITH HOLES
CONNECTION TYPE AWLS	ALL ENDS FLANGE
VALVE SIZE CCFG	INCHES 1.000
ADJUSTABLE PRESSURE RANGE CQCY	POUNDS PER SQUARE INCH 131.0 TO 150.0
OPERATING PRESSURE CQQF	SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0
FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL	INCHES 3.500
SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR	INCHES 3.250
FLANGE FACE DESIGN CWDF	ALL ENDS RAISED STRAIGHT
MATERIAL MATT	FLOW CONTROL DEVICE STEEL COMP 303
MATERIAL MATT	SEAT STEEL COMP 303
MATERIAL MATT	STEM STEEL COMP 303
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
2024001S0131	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM
20240C01S0131	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM
20240L91SS	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20240L91SS	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM

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-26-T-248J	Sep 3, 2026	Sep 14, 2026	5	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/4820-01-127-6666/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-127-6666/