The Seat,valve, cataloged under National Stock Number 4820-01-433-2568, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-433-2568 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Material Document and Classification | MIL-P-24074 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| V1E10410 ITEM 11 | 5/9 Secondary reference U.S. Government activity |
| V2B11726-TA | 3/2 Design control — primary reference U.S. Government activity |
| V1E10410-11 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-433-2568 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-433-2568: Material Document and Classification: MIL-P-24074 MIL SPEC SINGLE MATERIAL RESPONSE SEAT; Special Features: USED ON A VACCO IND. QUIET PRESSURE REDUCING VALVE; End Item Identification: NAVY WEAPON SYSTEM CODE JG, SEAWOLF CLASS SSN; Material: PLASTIC POLYTETRAFLUOROETHYLENE 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.