Acquisition method (AMC)
3
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-00-891-3010 FSC 4820
NSN 4820-00-891-3010 (also written 4820008913010; NIIN 00-891-3010) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 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 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 |
|---|---|
| FLANGE DIAMETER ABKK | INCHES MINIMUM 1.044 AND INCHES MAXIMUM 1.046 |
| 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 |
| UNDER FLANGE HEIGHT AJRM | INCHES MINIMUM 0.047 AND INCHES MAXIMUM 0.050 |
| SEAT ANGLE IN DEG AJSG | MINIMUM 44.500 AND MAXIMUM 45.500 |
| SEATING SURFACE SHAPE CQKM | ANGULAR |
| 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 | — |
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
—
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-0362 | Aug 28, 2026 | Sep 22, 2026 | 61 | 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. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-891-3010/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-891-3010/