Acquisition method (AMC)
3
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-311-9459 FSC 4820
NSN 4820-01-311-9459 (also written 4820013119459; NIIN 01-311-9459) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.
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).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 | 3A |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | DISK |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 150.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL PIPE |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| THREAD QUANTITY PER INCH CMLP | 20 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.250 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.250 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| SEAT ANGLE CQRB | SECOND END DEGREES 37.0 |
| MATERIAL MATT | BODY STEEL COMP 304 OR STEEL COMP 316 |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE AIR |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER, FRESH |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNIFIED NATIONAL JOINT (UNJ) |
| THREAD SERIES DESIGNATOR THSD | FIRST END NPT |
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 |
|---|---|---|
| 4578-1-000 | 14923 | ACC PARTNERS INC |
| 6310033 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6310033 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| 6310033H | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| CKFX0506050B | 92555 | THE LEE CO DBA THE LEE CO |
| K966020 ITEM 4 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE 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
—
—
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-26-T-195P | Aug 14, 2026 | Aug 24, 2026 | 6 | 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 as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-311-9459/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-311-9459/