The Seat,valve, cataloged under National Stock Number 4810-00-671-7388, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Nassau Tool Works, Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Nassau Tool Works, Inc (CAGE 2M490); Duhadaway Tool & Die Shop Inc (CAGE 1V517); U.s.a. Spares Inc. (CAGE 1UF60) |
| Parameter | Value |
|---|---|
| NSN | 4810-00-671-7388 |
| Primary Part Number | 55-50519-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Nassau Tool Works, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 55-50519-1 | Nassau Tool Works, Inc (USA) |
| 55-50519-1 | Duhadaway Tool & Die Shop Inc (USA) |
| 55-50519-1 | U.s.a. Spares Inc. (USA) |
| Reference | Meaning |
|---|---|
| 55-50519-1 | 5/2 Secondary reference U.S. Government activity |
| 55-50519-1 | 5/9 Secondary reference Van Halteren Technologies Boxtel B.v. Div Bosch Rexroth B.v. Systems & Engineering |
| 55-50519-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-00-671-7388 is a Seat,valve, manufactured by Nassau Tool Works, Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-671-7388 has 3 manufacturer part numbers on file: 55-50519-1 (Nassau Tool Works, Inc), 55-50519-1 (Duhadaway Tool & Die Shop Inc), 55-50519-1 (U.s.a. Spares Inc.).
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.