AMSC / AMC
—
FSC 4820 × VALVE,STOP-CHECK
VALVE,STOP-CHECK
4820-01-328-6261
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
—
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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | OUTSIDE SCREW-YOKE |
| BONNET ATTACHMENT METHOD ADST | BOLTED |
| DISK LOADING METHOD ADSU | SPRING |
| BOLT HOLE QUANTITY AECS | 8 |
| VALVE OPERATION METHOD AQLR | MANUAL |
| FLANGE SHAPE ARKN | ALL ENDS ROUND WITH HOLES |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| MOUNTING POSITION BBJX | HORIZONTAL |
| VALVE SIZE CCFG | INCHES 3.000 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 6.625 |
| FACE TO FACE DISTANCE CWCF | INCHES 9.750 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.938 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.875 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 6.625 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE COPPER ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER-OIL-GAS |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
| FURNISHED ITEMS AND QUANTITY TMQY | HANDWHEEL 1 |
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 |
|---|---|---|
| 6285 | 11859 | HUNT VALVE COMPANY, INC. |
| 6285 | 38881 | MONTREAL BRONZE LTD DBA LES FONDERIES DE BRONZE MONTR?AL |
| NB25221E-0000 | 30263 | PIMA VALVE, LLC |
| NB25221E-0000 3IN | 30263 | PIMA VALVE, 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Price history
What the government paid per unit
Fewer than two priced purchases on record — see the table below.
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-184S | Aug 7, 2026 | Aug 17, 2026 | 33 | 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.
- Contract action totals: USAspending, context only.
- Full methodology →