Acquisition method (AMC)
3
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-01-220-0932 FSC 4820
NSN 4820-01-220-0932 (also written 4820012200932; NIIN 01-220-0932) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 6 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-1512 | 32 | Closes in 9d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 | 1B |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 0.880 |
| FLANGE SEAT TO DISK END HEIGHT AJRF | INCHES NOMINAL 0.753 |
| UNDER FLANGE HEIGHT AJRM | INCHES NOMINAL 0.687 |
| NOMINAL THREAD SIZE CQJX | FIRST THREADED PORTION INCHES 0.625 |
| NOMINAL THREAD SIZE CQJX | SECOND THREADED PORTION INCHES 0.375 |
| SEATING SURFACE SHAPE CQKM | FLAT |
| MATERIAL MATT | OVERALL NICKEL ALLOY |
| THREAD SERIES DESIGNATOR THSD | FIRST THREADED PORTION UNF |
| THREAD SERIES DESIGNATOR THSD | SECOND THREADED PORTION NPT |
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 |
|---|---|---|
| 31642 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 31642 | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO |
| 31642 PIECE 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 31642 PIECE 10 | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO |
| 31651 | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO |
| 64788D | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO |
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
—
Aug 7, 2026
Last purchased
1 · 1.0/yr
Purchase records
$5,968
Total demand
$5,968
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 7, 2026 | SPE7MC26V3904 ↗ | PCX INC | — | $5,968 |
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
PCX INC
last award Aug 2026
GRISWOLD INDUSTRIES DBA CLA-VAL CO
no award yet
no awards on record
Listed source NAVAL SHIP SYSTEMS COMMAND
no award yet
no awards on record
Listed source PCX INC won the only award on record. PCX INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-1512 | Nov 6, 2026 | Nov 16, 2026 | 32 | 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 Nov 6, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-220-0932/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-220-0932/