NSN Explorer

FSC 4820 × VALVE,RELIEF,PRESSURE AND TEMPER

VALVE,RELIEF,PRESSURE AND TEMPER

4820-01-590-4810

Open for bid

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

Solicitation Qty Status
SPE7M2-26-U-0461 32 Closes today 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
BODY STYLE AAQL
FURNISHED ITEMS ABFF RETAINING RING AND COUPLING NUT W/TAILPIECE
TEMP RATING ABJH LOCATION NOT OTHERWISE SPECIFIED FAHRENHEIT 210.0
FIRST CONNECTION FACE TO CENTERLINE DISTANCE ADQM INCHES NOMINAL 3.500
SECOND CONNECTION FACE TO CENTERLINE DISTANCE ADQN INCHES NOMINAL 3.250
END CONNECTION QUANTITY ADQZ 2
OPENING PRESSURE SETTING ADSV POUNDS PER SQUARE INCH 150.0
BULB LENGTH AEVU INCHES NOMINAL 4.125
SPECIAL FEATURES FEAT FIRST END 3/4 INCH FEMALE NPT UNION TAIL AND NUT CONNECTION, SECOND END 3/4 INCH MALE NPT X 3/4 INCH SIL-BRAZE UNION
PROPRIETARY CHARACTERISTICS PRPY PACS

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
HSRV-12 19857 THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO.
HSRV-12-150 19857 THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO.

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
SPE7M2-26-U-0461 Aug 28, 2026 Sep 11, 2026 32 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 →