Acquisition method (AMC)
1
FSC 4820 × VALVE,STOP-CHECK
VALVE,STOP-CHECK
4820-00-186-3829 FSC 4820
NSN 4820-00-186-3829 (also written 4820001863829; NIIN 00-186-3829) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 10 manufacturer part numbers from 4 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 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 |
|---|---|
| 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.). 03950-CID882037167 |
| FEATURES PROVIDED CBBL | BONNET PACKING |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| SPECIAL FEATURES FEAT | 0.750 IN. VALVE SIZE,EA VALVE SHALL HAVE THREE BUNA-N O-RINGS PACKED IN A BAG AND SECURELY ATTACHED WITH INSTRUCTIONS,O-RINGS FOR OIL SERVICE ONLY |
| MATERIAL MATT | BODY COPPER ALLOY 922 |
| MATERIAL MATT | FLOW CONTROL DEVICE PLASTIC POLYCHLOROTRIFLUOROETHYLENE |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY 400 OR NICKEL ALLOY K-500 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 QQ-C-390 |
| MOUNTING POSITION BBJX | HORIZONTAL |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER-OIL-GAS |
| BONNET ATTACHMENT METHOD ADST | THREADED |
| RENEWABLE SEAT RING TYPE ADZH | THREADED |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 150.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | MANUAL |
| CONNECTION TYPE AWLS | ALL ENDS UNTHREADED INTERNAL PIPE |
| NOMINAL PIPE SIZE ACCOMMODATED AAAR | ALL ENDS INCHES 0.750 |
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | INSIDE SCREW |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM ASSN STD 1ST MATERIAL RESPONSE AST- B164-61 OR FED SPEC 2ND MATERIAL RESPONSE QQ-N-286 QQ-N-286 |
| 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 |
|---|---|---|
| 1605-013-E-0001 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| 4384536ASSY42B1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 4820PL1341427 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 803 4384536-42B | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-4384536-42B | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-4384536-42B1AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 810-1385722 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 810-4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 810-4384536-42B | 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
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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 | |
|---|---|---|---|---|---|
| SPE7M2-26-U-0365 | Aug 28, 2026 | Sep 16, 2026 | 75 | Cancelled | 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,STOP-CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-186-3829/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-186-3829/