AMSC / AMC
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FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-521-4350
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-26-T-227B | 1 | Closes today | Bid → |
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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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 | DISK |
| BONNET TYPE ADSR | INSIDE SPRING |
| BONNET ATTACHMENT METHOD ADST | BOLTED |
| DISK LOADING METHOD ADSU | SPRING |
| BOLT HOLE QUANTITY AECS | 6 |
| 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 2.500 |
| 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 6.125 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.500 |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL | INCHES 5.500 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.562 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR | INCHES 5.500 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 5.000 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | ANGLE RELIEF VALVE SEMI NOZZLE CONSTRUCTION, 2.5 X 2.5 |
| MATERIAL MATT | BODY BRONZE |
| MATERIAL MATT | FLOW CONTROL DEVICE PLASTIC POLYTETRAFLUOROETHYLENE |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B61 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE MFR REF SINGLE MATERIAL RESPONSE OLYTETRAFLUOROETHYLENE |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 QQ-N-288 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 QQ-N-288 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE LIQUID |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
| TEST DATA DOCUMENT TEST | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-S-901C AND STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). 96906--IL-STD-167-1 FOR LIGHTWEIGHT GRADE A CLASS I, FIXTURE 4C |
| FURNISHED ITEMS AND QUANTITY TMQY | LEVER 1 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | CLASS B |
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 |
|---|---|---|
| BAMGG04MJJ | 5P967 | DANTE VALVE COMPANY |
| BAMGG04MJJ | 65079 | DANCO VALVE COMPANY |
| D2500FF | 65079 | DANCO VALVE COMPANY |
| D2500FF ASSY BAMGG04MJJ | 5P967 | DANTE VALVE COMPANY |
| D2500FF ASSY BAMGG04MJJ | 65079 | DANCO VALVE COMPANY |
| MIL-DTL-24332 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-V-24332 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
0
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
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-227B | Aug 26, 2026 | Sep 8, 2026 | 1 | 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 →