NSN Explorer

FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-326-5839

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

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
NOMINAL PIPE SIZE ACCOMMODATED AAAR ALL ENDS INCHES 0.375
FLOW CONTROL DEVICE ADQU DISK
MAXIMUM OPERATING TEMP AEHZ FIRST RESPONSE FAHRENHEIT 425.0
MAXIMUM OPERATING TEMP AEHZ SECOND RESPONSE FAHRENHEIT 150.0
CONNECTION STYLE AHNC
VALVE OPERATION METHOD AQLR AUTOMATIC
CONNECTION TYPE AWLS ALL ENDS UNTHREADED INTERNAL PIPE
ADJUSTABLE PRESSURE RANGE CQCY POUNDS PER SQUARE INCH 59.0 TO 72.0
OPERATING PRESSURE CQQF SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0
OPERATING PRESSURE CQQF FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0
MATERIAL MATT BODY COPPER ALLOY 922
MATERIAL MATT FLOW CONTROL DEVICE NICKEL ALLOY
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
BASAA05SBB-A030 5P967 DANTE VALVE COMPANY
BASAA05SBB-A030 65079 DANCO VALVE COMPANY
D51020 ITEM R10AC1C112-BM1 11859 HUNT VALVE COMPANY, INC.
D51020 ITEM R10AC1C112-BM1 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AC1C112-BM1 11859 HUNT VALVE COMPANY, INC.
R10AC1C112-BM1 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
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
SPE7MC-26-T-216A Aug 21, 2026 Sep 3, 2026 16 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →