The Seat,valve, cataloged under National Stock Number 4820-00-019-2634, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward Hrt, Inc. Dba Woodward Hrt Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Woodward Hrt, Inc. Dba Woodward Hrt Inc (CAGE 60029) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-019-2634 |
| Primary Part Number | 7074-7 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward Hrt, Inc. Dba Woodward Hrt 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 | X |
| Part Number | Manufacturer |
|---|---|
| 7074-7 PRIMARY | Woodward Hrt, Inc. Dba Woodward Hrt Inc (USA) |
| Reference | Meaning |
|---|---|
| 7074-7 | 5/9 Secondary reference P S Manufacturing Inc Div Ps Manufacturing |
NSN 4820-00-019-2634 is a Seat,valve, manufactured by Woodward Hrt, Inc. Dba Woodward Hrt Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-019-2634 has 1 manufacturer part number on file: 7074-7 (Woodward Hrt, Inc. Dba Woodward Hrt Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-204-8519, 5140-01-386-5627. 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.