FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-141-2892 FSC 4820
NSN 4820-01-141-2892 (also written 4820011412892; NIIN 01-141-2892) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| BONNET TYPE ADSR | INSIDE SCREW |
| BONNET ATTACHMENT METHOD ADST | THREADED |
| VALVE DISCHARGE FLOW RATE ADSY | GALLONS PER MINUTE 4.5 |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 275.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL BOSS |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.562 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4500.0 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| MATERIAL MATT | SEAT STEEL CORROSION RESISTING |
| MATERIAL MATT | BODY ALUMINUM |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 1193-2 | 06177 | PNEUDRAULICS, INC. |
| 65651-05102-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
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.
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 27, 2026 | SPE7L126P9AU5 ↗ | PNEUDRAULICS, INC. | — | $12,281 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
PNEUDRAULICS, INC. won the only award on record.
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 28, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-141-2892/. Data as of November 7, 2026.
https://nsnexplorer.com/nsn/4820-01-141-2892/