The Seat,valve, cataloged under National Stock Number 4820-01-259-5737, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company- Parts. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Ingersoll-Rand Company- Parts (CAGE 6K358); Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-259-5737 |
| Primary Part Number | W31748P2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company- Parts |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| W31748P2 PRIMARY | Ingersoll-Rand Company- Parts (USA) |
| 35161421 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 35161421 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 35161421 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 35161421 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-259-5737 is a Seat,valve, manufactured by Ingersoll-Rand Company- Parts, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-259-5737 has 2 manufacturer part numbers on file: W31748P2 (Ingersoll-Rand Company- Parts), 35161421 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
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.