FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-111-1142 FSC 4820
NSN 4820-00-111-1142 (also written 4820001111142; NIIN 00-111-1142) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC H: the government lacks sufficient, accurate or legible data to buy from other 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 |
|---|---|
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.250 |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL PIPE |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL PIPE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| DISK LOADING METHOD ADSU | SPRING |
| CONNECTION STYLE AHNC | — |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPT |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE HYDRAULIC FLUID, MINERAL BASE |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 500.0 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
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 |
|---|---|---|
| 67B57641 | 22883 | ENGINEERED DEVICES INC |
| 942K50 | 39739 | SCOTT FETZER COMPANY, THE DBA MERIAM PROCESS TECHNOLOGIES DIV MERIAM INSTRUMENT |
| 942K50-1-4 | 39739 | SCOTT FETZER COMPANY, THE DBA MERIAM PROCESS TECHNOLOGIES DIV MERIAM INSTRUMENT |
| M196 | 39739 | SCOTT FETZER COMPANY, THE DBA MERIAM PROCESS TECHNOLOGIES DIV MERIAM INSTRUMENT |
| M230 | 39739 | SCOTT FETZER COMPANY, THE DBA MERIAM PROCESS TECHNOLOGIES DIV MERIAM INSTRUMENT |
| PWA7441-22 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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 |
|---|---|---|---|---|
| Oct 9, 2026 | SPE7MC27P0141 ↗ | ALAMO AIRCRAFT, LTD. | — | $260.00 |
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
ALAMO AIRCRAFT, LTD. won the only award on record. ALAMO AIRCRAFT, LTD. 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 Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-111-1142/. Data as of October 19, 2026.
https://nsnexplorer.com/nsn/4820-00-111-1142/