The Seat,valve, cataloged under National Stock Number 4810-01-373-6476, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-373-6476 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Body Outside Diameter | 0.551 INCHES NOMINAL IN |
| Body Inside Diameter | 0.208 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| 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 |
|---|---|
| 43171 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-01-373-6476 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4130-01-458-7036. Verify interchangeability with system specifications before substitution.
Key specifications for 4810-01-373-6476: Body Outside Diameter: 0.551 INCHES NOMINAL IN; Body Inside Diameter: 0.208 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; End Item Identification: 4810-01-262-5609; Material: STEEL COMP 440C OVERALL. 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.