Acquisition method (AMC)
1
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-00-623-9541 FSC 4820
NSN 4820-00-623-9541 (also written 4820006239541; NIIN 00-623-9541) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 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-0364 | 16 | Closes in 4d | Bid → |
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 |
|---|---|
| MATERIAL MATT | FACE COBALT ALLOY |
| BODY OUTSIDE DIAMETER ADAR | INCHES NOMINAL 1.188 |
| SEATING SURFACE SHAPE CQKM | ANGULAR |
| BODY STEPPED INSIDE DIAMETER CQKW | FIRST STEP INCHES MINIMUM 1.625 AND INCHES MAXIMUM 1.626 |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 1.800 |
| FLANGE SEAT TO DISK END HEIGHT AJRF | INCHES NOMINAL 0.562 |
| UNDER FLANGE HEIGHT AJRM | INCHES NOMINAL 0.438 |
| STYLE DESIGNATOR STYL | — |
| MATERIAL MATT | BODY STEEL CORROSION RESISTING |
| SEAT ANGLE IN DEG AJSG | NOMINAL 45.000 |
| BODY STEPPED INSIDE DIAMETER CQKW | SECOND STEP INCHES NOMINAL 0.812 |
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 |
|---|---|---|
| 12429NPC19 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| 31142 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| 311420058 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| CS4820-0089 | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) |
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-0364 | Oct 13, 2026 | Oct 23, 2026 | 16 | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-623-9541/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-623-9541/