Acquisition method (AMC)
5
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-712-8688 FSC 4820
NSN 4820-01-712-8688 (also written 4820017128688; NIIN 01-712-8688) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 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 to be bought from a sole-source contractor that is not the actual manufacturer (AMC 5).
Suffix (AMSC)
B
Competition
Coded for a named source
AMC 5: buy from a sole-source contractor that is not the actual manufacturer. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| DISK LOADING METHOD ADSU | SPRING |
| END ITEM IDENTIFICATION AGAV | 4210016220440 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL PIPE |
| THREAD QUANTITY PER INCH CMLP | 14 |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.750 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | VALVE,DRAIN SPRING OPEN |
| SPECIAL FEATURES FEAT | CLOSING PRESSURE 3 PSI |
| MATERIAL MATT | BODY COPPER ALLOY |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPTF |
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 |
|---|---|---|
| 34AD-4 | 06CG4 | HALE PRODUCTS, INC. DBA CLASS 1 |
| 4369609 | 06CG4 | HALE PRODUCTS, INC. DBA CLASS 1 |
| 4369609 | 75Q65 | OSHKOSH DEFENSE LLC |
| 4369609 75Q65 | 75Q65 | OSHKOSH DEFENSE 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
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-251P | Sep 9, 2026 | Sep 21, 2026 | 1 | 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/4820-01-712-8688/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-712-8688/