AMSC / AMC
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FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-00-891-3010
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M2-26-U-0362 | 61 | Closes today | Bid → |
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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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 |
|---|---|
| SEAT ANGLE IN DEG AJSG | MINIMUM 44.500 AND MAXIMUM 45.500 |
| SEATING SURFACE SHAPE CQKM | ANGULAR |
| BODY OUTSIDE DIAMETER ADAR | INCHES MINIMUM 0.968 AND INCHES MAXIMUM 0.969 |
| BODY INSIDE DIAMETER ADAS | INCHES MINIMUM 0.520 AND INCHES MAXIMUM 0.522 |
| FLANGE SEAT TO DISK END HEIGHT AJRF | INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.077 |
| MATERIAL MATT | OVERALL PLASTIC POLYHEXAMETHYLENE ADIPAMIDE |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL---20693,CO- A,TYE 1 |
| STYLE DESIGNATOR STYL | — |
| UNDER FLANGE HEIGHT AJRM | INCHES MINIMUM 0.047 AND INCHES MAXIMUM 0.050 |
| FLANGE DIAMETER ABKK | INCHES MINIMUM 1.044 AND INCHES MAXIMUM 1.046 |
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 |
|---|---|---|
| 166752 | 99657 | MAROTTA CONTROLS INC |
| 166752-0081 | 99657 | MAROTTA CONTROLS INC |
| 280090 ITEM 15 | 99657 | MAROTTA CONTROLS INC |
| 4820PL1342946 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
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
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Last purchased
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Purchase records
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Total demand
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Latest award total
Price history
What the government paid per unit
Fewer than two priced purchases on record — see the table below.
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-0362 | Aug 28, 2026 | Sep 11, 2026 | 61 | 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.
- Contract action totals: USAspending, context only.
- Full methodology →