NSN Explorer

FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-572-2228

Open for bid

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

Solicitation Qty Status
SPE7L3-26-T-223L 2 Closes in 2d Bid →

Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC
Competition

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 POPPET
MAXIMUM OPERATING TEMP AEHZ SINGLE RESPONSE FAHRENHEIT 400.0
VALVE OPERATION METHOD AQLR AUTOMATIC
CONNECTION TYPE AWLS FIRST END THREADED EXTERNAL PIPE
CONNECTION TYPE AWLS SECOND END THREADED INTERNAL PIPE
OPERATING PRESSURE CQQF SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2400.0
PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY VALVE,PRESSURE RELIEF 550PSI
MATERIAL MATT BODY STEEL CORROSION RESISTING
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
23087151-6 38ZC7 ROLLS-ROYCE MARINE NORTH AMERICA INC.
23087151-6 63005 ROLLS-ROYCE CORPORATION
5159T-6TB-550 91816 CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC

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
Purchases
0
Total spend
Last purchased
Purchase records
Total demand
Latest award total

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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
SPE7L3-26-T-223L Sep 3, 2026 Sep 14, 2026 2 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →