The Seat,valve, cataloged under National Stock Number 4810-00-343-8450, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-343-8450 |
| Primary Part Number | 1715086 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| Flange Diameter | 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.127 INCHES NOMINAL IN |
| Seal Accommodation Type | GROOVED |
| Taper Minor Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | 9214 11660 MFR REF SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | STELLITE 11660 MFR REF SINGLE MATERIAL RESPONSE FACE |
| Taper Major Diameter | 0.688 INCHES NOMINAL IN |
| Body Inside Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Taper Length | 0.985 INCHES NOMINAL IN |
| Seat Radius | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Under Flange Height | 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Material | STEEL BODY |
| Material | STEEL FACE |
| 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 |
|---|---|
| 1715086 | Westinghouse Electric Corp (USA) |
| 1JB1127PC3 | Westinghouse Electric Corp (USA) |
| 1JH3278PC2 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1JH3278PC2 | 5/2 Secondary reference U.S. Government activity |
| 3193658 | D/9 Drawing number reference only U.S. Government activity |
| 1715086 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
| B3193658REVCPC3 | 5/2 Secondary reference U.S. Government activity |
| 1715086 | 5/2 Secondary reference U.S. Government activity |
| 715J994 PC 7 | 5/2 Secondary reference U.S. Government activity |
| 1JH3278PC2 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1JB1127PC3 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 4810-00-343-8450 is a Seat,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-343-8450 has 3 manufacturer part numbers on file: 1715086 (Westinghouse Electric Corp), 1JB1127PC3 (Westinghouse Electric Corp), 1JH3278PC2 (Westinghouse Electric Corp).
Key specifications for 1715086: Flange Seat to Disk End Height: 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN; Flange Diameter: 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN; Body Outside Diameter: 1.127 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED. 16 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.