The Seat,valve, cataloged under National Stock Number 4820-00-717-7776, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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 | 4820-00-717-7776 |
| Primary Part Number | 514331 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.049 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Flange Diameter | 0.560 INCHES NOMINAL IN |
| Body Outside Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | AMS5616 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.203 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Under Flange Height | 0.110 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 514331 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4820-00-717-7776 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-717-7776 has 1 manufacturer part number on file: 514331 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 514331: Flange Seat to Disk End Height: 0.049 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN; Flange Diameter: 0.560 INCHES NOMINAL IN; Body Outside Diameter: 0.250 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 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.