FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-062-0580
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.
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 | 3A |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| DISK LOADING METHOD ADSU | SPRING |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 250.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| THREAD QUANTITY PER INCH CMLP | 12 |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 1.312 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| SEAT ANGLE CQRB | ALL ENDS DEGREES 37.0 |
| MATERIAL MATT | OVERALL STEEL COMP 303 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED STD SINGLE MATERIAL RESPONSE 66 |
| MEDIA FOR WHICH DESIGNED MEDA | THIRD RESPONSE ALCOHOL, ETHYL |
| MEDIA FOR WHICH DESIGNED MEDA | FIFTH RESPONSE CARBON DIOXIDE |
| MEDIA FOR WHICH DESIGNED MEDA | FOURTH RESPONSE AMMONIA, GASEOUS |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE ACETYLENE |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE AIR |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT (UNJ) |
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 |
|---|---|---|
| 249T-16TT | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC |
| W125082 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| W125082 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
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.
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-205W | Aug 21, 2026 | Sep 3, 2026 | 4 | 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 →