The Seat,valve, cataloged under National Stock Number 4810-01-072-7451, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-072-7451 |
| Primary Part Number | 571794-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.216 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Flange Diameter | 0.798 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.686 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Body Stepped Inside Diameter | 0.562 INCHES NOMINAL FIRST STEP IN |
| Body Stepped Inside Diameter | 0.625 INCHES NOMINAL SECOND STEP IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | MIL-S-5059,COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Under Flange Height | 0.326 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 571794-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 4810-01-072-7451 is a Seat,valve, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-072-7451 has 1 manufacturer part number on file: 571794-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 571794-1: Flange Seat to Disk End Height: 0.216 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Flange Diameter: 0.798 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN; Body Outside Diameter: 0.686 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Body Stepped Inside Diameter: 0.562 INCHES NOMINAL FIRST STEP IN. 11 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.