Acquisition method (AMC)
1
FSC 4820 × VALVE,STOP-CHECK
VALVE,STOP-CHECK
4820-00-595-0494 FSC 4820
NSN 4820-00-595-0494 (also written 4820005950494; NIIN 00-595-0494) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 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)
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 |
|---|---|
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.562 |
| FACE TO FACE DISTANCE CWCF | INCHES 10.000 |
| VALVE SIZE CCFG | INCHES 3.000 |
| SPECIAL FEATURES FEAT | VALVE SIZE 3 IN. |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
| MOUNTING POSITION BBJX | HORIZONTAL |
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | OUTSIDE SCREW-YOKE |
| BONNET ATTACHMENT METHOD ADST | BOLTED |
| RENEWABLE SEAT RING TYPE ADZH | THREADED |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 100.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 6.625 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.500 |
| MATERIAL MATT | STEM NICKEL ALLOY |
| BOLT HOLE QUANTITY AECS | 8 |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 425.0 |
| VALVE OPERATION METHOD AQLR | MANUAL |
| FLANGE SHAPE ARKN | ALL ENDS ROUND WITH HOLES |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER-OIL-GAS |
| STYLE DESIGNATOR STYL | — |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 5.500 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MATERIAL MATT | SEAT NICKEL ALLOY |
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 |
|---|---|---|
| 5000S4824-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 5359-008 3IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 803-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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 22, 2026
Last purchased
1 · 1.0/yr
Purchase records
$56,365
Total demand
$56,365
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 |
|---|---|---|---|---|
| Sep 22, 2026 | SPE7MC25P0567 ↗ | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | — | $56,365 |
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
MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC
last award Sep 2026
NAVAL SHIP SYSTEMS COMMAND
no award yet
no awards on record
Listed source MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC won the only award on record.
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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,STOP-CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-595-0494/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-595-0494/