Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-482-8908 FSC 4820
NSN 4820-00-482-8908 (also written 4820004828908; NIIN 00-482-8908) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 10 manufacturer part numbers from 6 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 2.915 |
| MATERIAL MATT | BODY COPPER ALLOY 922 |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| THREAD CLASS AAJD | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390, ALLOY D4 TO D TO QQ-C-390 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 QQ-N-281 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 TO D TO QQ-C-390 |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | DISK |
| MAXIMUM OPERATING TEMP AEHZ | FIRST RESPONSE FAHRENHEIT 425.0 |
| MAXIMUM OPERATING TEMP AEHZ | SECOND RESPONSE FAHRENHEIT 150.0 |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL |
| THREAD QUANTITY PER INCH CMLP | 10 |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
| STYLE DESIGNATOR STYL | — |
| TEST DATA DOCUMENT TEST | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 03950-ACID NO.882037047 |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNS |
| CONNECTION STYLE AHNC | — |
| MATERIAL MATT | SEAT COPPER ALLOY 922 |
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 |
|---|---|---|
| 1385721 1-1-2IN | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| 1385721EM0D 1-1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| 209-7438555 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 209-7438555 ITEM V-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 4DP2041 | 63686 | THE WALWORTH COMPANY |
| 4DP2041-21 | 63686 | THE WALWORTH COMPANY |
| 5399-028R-1.50IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 803-1385721 1-1/2IN | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-1385721-7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| EA15931 | 14959 | CRANE CO DIV VALVE DIV |
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
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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-259L | Sep 11, 2026 | Sep 21, 2026 | 113 | 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/4820-00-482-8908/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-482-8908/