The Piston, cataloged under National Stock Number 3950-00-463-5271, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Piston |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Paccar Winch Inc Dba Paccar Winch Division (CAGE 08302) |
| Parameter | Value |
|---|---|
| NSN | 3950-00-463-5271 |
| Primary Part Number | 850161 |
| Item Name | Piston |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Paccar Winch Inc Dba Paccar Winch Division |
| 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 |
|---|---|
| 850161 PRIMARY | Paccar Winch Inc Dba Paccar Winch Division (USA) |
| Reference | Meaning |
|---|---|
| 21212 | 5/9 Secondary reference Trans Dynamics Inc |
NSN 3950-00-463-5271 is a Piston, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-463-5271 has 1 manufacturer part number on file: 850161 (Paccar Winch Inc Dba Paccar Winch Division).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-690-5592. Verify interchangeability with system specifications before substitution.
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.