Acquisition method (AMC)
2
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-01-506-4084 FSC 4820
NSN 4820-01-506-4084 (also written 4820015064084; NIIN 01-506-4084) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-27-T-0141 | 24 | Closes today | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 2).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 2: suitable for competitive acquisition, first 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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| END ITEM IDENTIFICATION AGAV | 1/2 INCH STOP AND STOP CHECK VALVE |
| SEAT ANGLE IN DEG AJSG | NOMINAL 45.000 |
| THREAD QUANTITY PER INCH CMLP | 24 |
| NOMINAL THREAD SIZE CQJX | SINGLE THREADED PORTION INCHES 0.9375 |
| SEATING SURFACE SHAPE CQKM | ANGULAR |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | SEAT RING (STOP & STOP CHECK) |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT ASSN STD SINGLE MATERIAL RESPONSE AST- B164 |
| THREAD SERIES DESIGNATOR THSD | SINGLE THREADED PORTION UNS |
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 |
|---|---|---|
| 4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-4384536-3XXX-85 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-4384536-3XXX-85 | 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
—
—
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-27-T-0141 | Oct 8, 2026 | Oct 19, 2026 | 24 | Open | 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. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-506-4084/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-506-4084/