The Seat,valve, cataloged under National Stock Number 4810-00-149-0814, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 5 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through both NSN and commercial part number lookups. 48 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-149-0814 |
| Primary Part Number | PC24 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| FSC Application Data | VALVE,AIR COMPRESSOR |
| Body Inside Diameter | 5.000 INCHES NOMINAL IN |
| Seat Radius | 2.250 INCHES NOMINAL IN |
| Material | COPPER OVERALL |
| 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 |
|---|---|
| PC24 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 3087N PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 107315PC24 | 5/9 Secondary reference U.S. Government activity |
| 107302PC24 | 5/9 Secondary reference U.S. Government activity |
| HL1852PC24 | 5/9 Secondary reference U.S. Government activity |
| PC24 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| HL3532PC24 | 5/9 Secondary reference U.S. Government activity |
| HL5725PC24 | 5/9 Secondary reference U.S. Government activity |
| 87759PC24 | 5/9 Secondary reference U.S. Government activity |
| HL5188PC24 | 5/9 Secondary reference U.S. Government activity |
| HL5723PC24 | 5/9 Secondary reference U.S. Government activity |
| 107322PC24 | 5/9 Secondary reference U.S. Government activity |
| 107303PC24 | 5/9 Secondary reference U.S. Government activity |
| HL3702PC24 | 5/9 Secondary reference U.S. Government activity |
| HL3710PC24 | 5/9 Secondary reference U.S. Government activity |
| 109310PC24 | 5/9 Secondary reference U.S. Government activity |
| 109304PC24 | 5/9 Secondary reference U.S. Government activity |
| 107333PC24 | 5/9 Secondary reference U.S. Government activity |
| 87765PC24 | 5/9 Secondary reference U.S. Government activity |
| 87757PC24 | 5/9 Secondary reference U.S. Government activity |
| 87765-1PC24 | 5/9 Secondary reference U.S. Government activity |
| HL5194PC24 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-149-0814 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-149-0814 has 2 manufacturer part numbers on file: PC24 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 3087N (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
4 possible matches (shared part number, not a government interchangeability claim): 5331-00-198-6183, 5945-00-814-0303, 5999-01-102-7733. Verify interchangeability with system specifications before substitution.
Key specifications for PC24: Overall Height: 0.375 INCHES NOMINAL IN; FSC Application Data: VALVE,AIR COMPRESSOR; Body Inside Diameter: 5.000 INCHES NOMINAL IN; Seat Radius: 2.250 INCHES NOMINAL IN. 5 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.