The Disk,valve, cataloged under National Stock Number 4820-01-421-3414, 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 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-3414 |
| Primary Part Number | J022051-003 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cooper Cameron Corp Cooper Cameron Valves Div |
| Status | ACTIVE |
| Outside Diameter | 8.000 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| J022051-003 PRIMARY | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| SK-114096PC3 | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| Reference | Meaning |
|---|---|
| SK-114096 | D/9 Drawing number reference only Cooper Cameron Corp Cooper Cameron Valves Div |
NSN 4820-01-421-3414 is a Disk,valve, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-3414 has 2 manufacturer part numbers on file: J022051-003 (Cooper Cameron Corp Cooper Cameron Valves Div), SK-114096PC3 (Cooper Cameron Corp Cooper Cameron Valves Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-421-6829. Verify interchangeability with system specifications before substitution.
Key specifications for J022051-003: Outside Diameter: 8.000 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Special Features: 200 PSI SHUT-OFF; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 3 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.