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FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-507-7402 FSC 4820

NSN 4820-01-507-7402 (also written 4820015077402; NIIN 01-507-7402) 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)
3
Suffix (AMSC)
R
Competition
Coded for a named source

AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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
BONNET TYPE ADSR INSIDE SPRING
BONNET ATTACHMENT METHOD ADST UNION
DISK LOADING METHOD ADSU SPRING
BOLT HOLE QUANTITY AECS 4
MAXIMUM OPERATING TEMP AEHZ FIRST RESPONSE FAHRENHEIT 200.0
MAXIMUM OPERATING TEMP AEHZ SECOND RESPONSE FAHRENHEIT 425.0
VALVE OPERATION METHOD AQLR AUTOMATIC OR MANUAL
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 23.0 TO 45.0
OPERATING PRESSURE CQQF FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0
OPERATING PRESSURE CQQF SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0
NOMINAL OUTSIDE DIAMETER CWCD ALL ENDS INCHES 4.250
NOMINAL THICKNESS CWCK ALL ENDS INCHES 0.4375
FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL INCHES 3.500
BOLT HOLE NOMINAL DIAMETER CWCQ ALL ENDS INCHES 0.5625
SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR INCHES 3.500
BOLT CIRCLE NOMINAL DIAMETER CWCT ALL ENDS INCHES 3.1250
FLANGE FACE DESIGN CWDF ALL ENDS PLAIN
SPECIAL FEATURES FEAT FLANGE FACES ARE SERRATED FINISH
MATERIAL MATT BODY BRONZE
MATERIAL MATT FLOW CONTROL DEVICE NICKEL ALLOY
MATERIAL MATT SEAT NICKEL ALLOY
MATERIAL MATT STEM NICKEL ALLOY
MEDIA FOR WHICH DESIGNED MEDA SINGLE RESPONSE LIQUID
PROPRIETARY CHARACTERISTICS PRPY PACS
STYLE DESIGNATOR STYL —
FURNISHED ITEMS AND QUANTITY TMQY HANDLE 1
SPECIFICATION/STANDARD DATA ZZZK GOVERNMENT SPECIFICATION 81349--IL-V-24332

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
BAMGG04MEE 5P967 DANTE VALVE COMPANY
BAMGG04MEE 65079 DANCO VALVE COMPANY
D1000FF 65079 DANCO VALVE COMPANY
D1000FF ASSY BAMGG04MEE 5P967 DANTE VALVE COMPANY
D1000FF ASSY BAMGG04MEE 65079 DANCO VALVE COMPANY

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

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-275S Sep 17, 2026 Sep 28, 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/4820-01-507-7402/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-507-7402/