FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-01-057-4119 FSC 4820
NSN 4820-01-057-4119 (also written 4820010574119; NIIN 01-057-4119) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 14 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
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 |
|---|---|
| OVERALL HEIGHT ABKW | INCHES NOMINAL 0.438 |
| BODY OUTSIDE DIAMETER ADAR | INCHES MINIMUM 2.871 AND INCHES MAXIMUM 2.873 |
| BODY INSIDE DIAMETER ADAS | INCHES NOMINAL 1.688 |
| SEAT RADIUS AJFZ | INCHES NOMINAL 0.500 |
| SEATING SURFACE SHAPE CQKM | RADIAL |
| SPECIAL FEATURES FEAT | WITH 6 EQUALLY SPACED GROOVES 1/4 IN. RADIUS BY 3/32 IN. DEEP |
| MATERIAL MATT | OVERALL PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|---|
| 255753PC11 | 11859 | HUNT VALVE COMPANY, INC. |
| 255753PC11 | 17062 | P J VALVES INC |
| 255753PC11 | 27424 | MORLAND VALVE CO INC SUB OF SMITH VALVE CORP |
| 255753PC11 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING |
| 255773PC11 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING |
| 2640-801X02PIEC | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2640-801X02PIECE 10 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2640-801X2 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2643-785-10 ITEM 10 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 516-4775906ITEM | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 516-4775906ITEM 30 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 56-97-0624 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 7284884 PC 10 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 845-7285243 ITEM 10 | 53711 | NAVAL SEA 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.
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 |
|---|---|---|---|---|
| Oct 15, 2026 | SPE7M227V0181 ↗ | — | — | $17,374 |
Demand history
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
CAGE 64546 won the only award on record. CAGE 64546 won without being a listed source.
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 16, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-16.
- Full methodology →
Cite this page
NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-057-4119/. Data as of October 19, 2026.
https://nsnexplorer.com/nsn/4820-01-057-4119/