Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-483-0682 FSC 4820
NSN 4820-00-483-0682 (also written 4820004830682; NIIN 00-483-0682) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 3 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 | |
|---|---|---|---|
| SPE7M4-27-T-2509 | 165 | Closes in 9d | Bid → |
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 |
|---|---|
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 QQ-N-281 |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| VALVE SIZE CCFG | INCHES 2.000 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 TO D TO QQ-C-390 |
| NOMINAL PIPE SIZE ACCOMMODATED AAAR | ALL ENDS INCHES 2.000 |
| FLOW CONTROL DEVICE ADQU | DISK |
| MAXIMUM OPERATING TEMP AEHZ | FIRST RESPONSE FAHRENHEIT 425.0 |
| MATERIAL MATT | SEAT COPPER ALLOY 922 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 TO D TO QQ-C-390 |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
| STYLE DESIGNATOR STYL | — |
| MATERIAL MATT | BODY COPPER ALLOY 922 |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| 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.). 81349--IL-S-901 |
| CONNECTION TYPE AWLS | ALL ENDS UNTHREADED INTERNAL PIPE |
| MAXIMUM OPERATING TEMP AEHZ | SECOND RESPONSE FAHRENHEIT 150.0 |
| CONNECTION STYLE AHNC | — |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0 |
| OPERATING PRESSURE CQQF | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
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 |
|---|---|---|
| 426WS INCH | 90664 | WALWORTH CO MARINE DIV |
| 426WS-2 | 90664 | WALWORTH CO MARINE DIV |
| 5199-003-200 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 803-1385721 2IN | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-1385721-81 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 810-1385721-82 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| C-35299-M | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| C-35299-M 2IN. | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
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
—
Sep 28, 2026
Last purchased
2 · 2.0/yr
Purchase records
$154,282
Total demand
$58,639
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 |
|---|---|---|---|---|
| Aug 5, 2026 | SPE7M026V4967 ↗ | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | $95,643 |
| Sep 28, 2026 | SPE7M025V8585 ↗ | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | — | $58,639 |
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.
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
MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC
last award Sep 2026
BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS
last award Aug 2026
NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source WALWORTH CO MARINE DIV
no award yet
no awards on record
Listed source MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC won 1 of the last 2 awards. BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-27-T-2509 | Nov 6, 2026 | Nov 16, 2026 | 165 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-06.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-483-0682/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-483-0682/