The Seat,valve, cataloged under National Stock Number 4820-00-388-1463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-388-1463 |
| Primary Part Number | 1712192 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 3.000 INCHES NOMINAL IN |
| Flange Diameter | 16.001 INCHES MINIMUM AND 16.003 INCHES MAXIMUM IN |
| Body Outside Diameter | 12.563 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 11.219 INCHES NOMINAL IN |
| Seat Radius | 0.125 INCHES NOMINAL IN |
| Under Flange Height | 17.000 INCHES NOMINAL IN |
| Material | COBALT ALLOY SEAT |
| Material | CHROMIUM ALLOY BODY |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 1-JH1138-38 | Westinghouse Electric Corp (USA) |
| 1712192 PRIMARY | Westinghouse Electric Corp (USA) |
NSN 4820-00-388-1463 is a Seat,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-388-1463 has 2 manufacturer part numbers on file: 1-JH1138-38 (Westinghouse Electric Corp), 1712192 (Westinghouse Electric Corp).
Key specifications for 1712192: Flange Seat to Disk End Height: 3.000 INCHES NOMINAL IN; Flange Diameter: 16.001 INCHES MINIMUM AND 16.003 INCHES MAXIMUM IN; Body Outside Diameter: 12.563 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 10 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.