The Seat,valve, cataloged under National Stock Number 4820-01-444-2586, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Cooper Cameron Corp Cooper Cameron Valves Div (CAGE 15645) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-444-2586 |
| Primary Part Number | J001798-135 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cooper Cameron Corp Cooper Cameron Valves Div |
| Status | ACTIVE |
| 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 |
|---|---|
| SK-114168 ITEM 2 | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| J001798-135 PRIMARY | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| Reference | Meaning |
|---|---|
| SK-114168 | D/9 Drawing number reference only Cooper Cameron Corp Cooper Cameron Valves Div |
NSN 4820-01-444-2586 is a Seat,valve, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-444-2586 has 2 manufacturer part numbers on file: SK-114168 ITEM 2 (Cooper Cameron Corp Cooper Cameron Valves Div), J001798-135 (Cooper Cameron Corp Cooper Cameron Valves Div).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-444-2587, 4820-01-444-2589, 4820-01-444-5646. Verify interchangeability with system specifications before substitution.
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.