AMSC / AMC
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FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-538-4835
Open for bid
No open solicitations on record for this NSN right now.
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 |
| VALVE DISCHARGE FLOW RATE ADSY | GALLONS PER MINUTE 840.0 |
| RENEWABLE SEAT RING TYPE ADZH | PRESSED-IN |
| END ITEM IDENTIFICATION AGAV | W/S CVN NR BOUNDARY AREA |
| 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 4.000 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 100.0 |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL | INCHES 6.500 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR | INCHES 6.500 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | ANGLE RELIEF VALVE |
| SPECIAL FEATURES FEAT | SUPPLIED WITH MONEL STEM AND SPRING AND GAGGING DEVICE; FLANGES IAW MIL-F-20042 150 LB. RATING, SET PRESSURE 100 PSIG, ACCUMULATION 120 PSIG, BLOWDOWN 80 PSIG, RAGED CAPACITY 1,588 GPM, REQUIRED CAPACITY 840 GPM, SPRING RANGE 75/110 PSIG, INLET LOSS 20 PSIG, BACKPRESSURE 10 PSIG MIL-F-20042 |
| MATERIAL MATT | BODY BRONZE |
| MATERIAL MATT | FLOW CONTROL DEVICE PLASTIC POLYTETRAFLUOROETHYLENE |
| MATERIAL MATT | SEAT PLASTIC POLYTETRAFLUOROETHYLENE |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER, SALT |
| 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.). 81349-0.81349-0IL-S-901C AND STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). 96906--IL-STD-167-1 FOR -EDIU- WEIGHT, GR A, CL I0.96906--IL-STD-167-1 FOR -EDIU- WEIGHT, GR A, CL I0FIXTURE 4C |
| FURNISHED ITEMS AND QUANTITY TMQY | LEVER 1 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349 - -IL-V-24322 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | GRADE B |
| DEPARTURE FROM CITED DOCUMENT ZZZW | DOUBLE O-RING SEAL INSTEAD OF A STUFFING BOX |
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 |
|---|---|---|
| BBMGG06KMM | 5P967 | DANTE VALVE COMPANY |
| BBMGG06KMM | 65079 | DANCO VALVE COMPANY |
| BBMGG06MMM | 65079 | DANCO VALVE COMPANY |
| BBMGG06MMM/CD4000FF-5 | 65079 | DANCO VALVE COMPANY |
| CD4000FF-5 | 65079 | DANCO VALVE COMPANY |
| D4000FF | 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-193W | Aug 13, 2026 | Aug 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.
- Contract action totals: USAspending, context only.
- Full methodology →