AMSC / AMC
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FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-653-8064
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 |
|---|---|
| VALVE SIZE CCFG | INCHES 0.50 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-V-22549 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | INSIDE SPRING |
| BONNET ATTACHMENT METHOD ADST | THREADED |
| DISK LOADING METHOD ADSU | SPRING |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 165.00 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- A276 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A351 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | DISK ASSN STD SINGLE MATERIAL RESPONSE AST- A276 |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 501.00 TO 700.00 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 1725.00 |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL | INCHES 3.09 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR | INCHES 3.09 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | VALVE,ANGLE RELIEF |
| SPECIAL FEATURES FEAT | UNIONS PER 810-1385946 |
| MATERIAL MATT | BODY STEEL |
| MATERIAL MATT | DISK STEEL COMP 304 |
| MATERIAL MATT | STEM STEEL COMP 304 |
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 |
|---|---|---|
| D41-15UU-02H-1/2-1/2 | 5P967 | DANTE VALVE COMPANY |
| D4115 | 5P967 | DANTE 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
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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-217Y | Aug 21, 2026 | Sep 3, 2026 | 15 | 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 →