Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-717-3718 FSC 4820
NSN 4820-00-717-3718 (also written 4820007173718; NIIN 00-717-3718) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-27-T-0362 | 7 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
P
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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 |
|---|---|
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| FLOW CONTROL DEVICE ADQU | BALL |
| THREAD QUANTITY PER INCH CMLP | 20 |
| THREAD QUANTITY PER INCH CMLP | 27 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL PIPE |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 500.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| MATERIAL MATT | SEAT STEEL CORROSION RESISTING |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE OXYGEN, LIQUID |
| SURFACE TREATMENT SFTT | ANODIZE |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNF |
| THREAD SERIES DESIGNATOR THSD | SECOND END ANPT |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.125 |
| DISK LOADING METHOD ADSU | SPRING |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 260.0 |
| NOMINAL PIPE SIZE ACCOMMODATED AAAR | SECOND END INCHES 0.125 |
| THREAD CLASS AAJD | 3A |
| RENEWABLE SEAT RING TYPE ADZH | THREADED |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.312 |
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 |
|---|---|---|
| 21136 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |
| 21136-2 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |
| 21136-2 | 04577 | MISSION SYSTEMS ORCHARD PARK INC |
| 7-158-6 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |
| 8148650 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE |
| 900574 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
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-27-T-0362 | Oct 13, 2026 | Oct 23, 2026 | 7 | 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 as of Oct 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-717-3718/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-717-3718/