Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-796-4928 FSC 4820
NSN 4820-00-796-4928 (also written 4820007964928; NIIN 00-796-4928) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Nov 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).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE OXYGEN, LIQUID |
| STYLE DESIGNATOR STYL | — |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| MEDIA FOR WHICH DESIGNED MEDA | OVERALL OXYGEN, LIQUID |
| THREAD QUANTITY PER INCH CMLP | 20 |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL PIPE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| THREAD SERIES DESIGNATOR THSD | SECOND END ANPT |
| SPECIAL FEATURES FEAT | ACTION ID 45422425 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.125 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.312 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | OVERALL INCHES 0.312 |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| THREAD CLASS AAJD | 3A |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNF |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| CONNECTION STYLE AHNC | — |
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 |
|---|---|---|
| 20C-0006-1 | 19062 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES |
| 20C-0006-1 | 83533 | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION |
| 21136-1 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |
| 21136-3 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |
| 21136-3 | 04577 | MISSION SYSTEMS ORCHARD PARK INC |
| 5075 | 31441 | AMERICAN SAFETY FLIGHT SYSTEMS INC |
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
—
Nov 4, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,072
Total demand
$3,072
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Nov 4, 2026 | SPE7M025V4638 ↗ | ECI DEFENSE GROUP, INC. DIV ECI-GA | — | $3,072 |
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
ECI DEFENSE GROUP, INC. DIV ECI-GA
last award Nov 2026
AMERICAN SAFETY FLIGHT SYSTEMS INC
no award yet
no awards on record
Listed source ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION
no award yet
no awards on record
Listed source ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES
no award yet
no awards on record
Listed source INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND
no award yet
no awards on record
Listed source MISSION SYSTEMS ORCHARD PARK INC
no award yet
no awards on record
Listed source ECI DEFENSE GROUP, INC. DIV ECI-GA won the only award on record. ECI DEFENSE GROUP, INC. DIV ECI-GA won without being a listed source.
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 Nov 6, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-796-4928/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-796-4928/