Acquisition method (AMC)
3
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-195-3768 FSC 4820
NSN 4820-01-195-3768 (also written 4820011953768; NIIN 01-195-3768) is a valve, 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | DISK |
| BOLT HOLE QUANTITY AECS | 8 |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND WITH HOLES |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| VALVE SIZE CCFG | INCHES 4.000 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 6.625 |
| FACE TO FACE DISTANCE CWCF | INCHES 11.750 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.938 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.562 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 5.500 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MATERIAL MATT | FLOW CONTROL DEVICE COPPER ALLOY |
| MATERIAL MATT | BODY COPPER ALLOY |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 1281N 4 INCH | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 1281N 400 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 5021-B 4IN | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. DBA SERVICE BRASS FITTINGS |
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
$3,623.14
Purchases
1
Total spend
$72,463
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$144,926
Total demand
$3,623.14
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 20 | $3,623.14 | $72,463 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (76364) | Unknown | Source ↗ |
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 23, 2026 | SPE7M326V4625 ↗ | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | — | $72,463 |
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
SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. DBA SERVICE BRASS FITTINGS
no award yet
no awards on record
Listed source MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-172W | Aug 7, 2026 | Aug 17, 2026 | 20 | 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.
- Data last refreshed: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-195-3768/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-195-3768/