The Seat,valve, cataloged under National Stock Number 4810-00-044-2763, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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 | 4810-00-044-2763 |
| Primary Part Number | 538244 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Body Outside Diameter | 0.684 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.627 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Material | STEEL COMP 303S OR STEEL COMP 303SE OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 538244 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4810-00-044-2763 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-044-2763 has 1 manufacturer part number on file: 538244 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 538244: Overall Height: 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Body Outside Diameter: 0.684 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN; Hardness Rating: 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 6 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.