The Seat,valve, cataloged under National Stock Number 4820-01-422-7783, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cooper Cameron Corp Cooper Cameron Valves Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-422-7783 |
| Primary Part Number | J023829-031 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cooper Cameron Corp Cooper Cameron Valves Div |
| Status | ACTIVE |
| Material Document and Classification | ASTM D2000 -2BG 717 B14EF11EF21E014E034Z ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material | RUBBER BUNA N SEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| J023829-031 PRIMARY | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| Reference | Meaning |
|---|---|
| SK-114040 | D/9 Drawing number reference only Cooper Cameron Corp Cooper Cameron Valves Div |
NSN 4820-01-422-7783 is a Seat,valve, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-7783 has 1 manufacturer part number on file: J023829-031 (Cooper Cameron Corp Cooper Cameron Valves Div).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-422-7850, 4820-01-422-7852, 4820-01-422-7853. Verify interchangeability with system specifications before substitution.
Key specifications for J023829-031: Material Document and Classification: ASTM D2000 -2BG 717 B14EF11EF21E014E034Z ASSN STD SINGLE MATERIAL RESPONSE SEAT; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: RUBBER BUNA N SEAT. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.