The Shaft and Flange Assembly, cataloged under National Stock Number 3950-01-257-1550, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Lift-Tech Intl Inc Crane and Hoist Opns. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-257-1550 |
| Primary Part Number | 304922-1 |
| Item Name | Shaft and Flange Assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Lift-Tech Intl Inc Crane and Hoist Opns |
| Status | ACTIVE |
| 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 |
|---|---|
| 304922-1 PRIMARY | Lift-Tech Intl Inc Crane and Hoist Opns (USA) |
NSN 3950-01-257-1550 is a Shaft and Flange Assembly, manufactured by Lift-Tech Intl Inc Crane and Hoist Opns, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-257-1550 has 1 manufacturer part number on file: 304922-1 (Lift-Tech Intl Inc Crane and Hoist Opns).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-304-1151. Verify interchangeability with system specifications before substitution.
Key specifications for 304922-1: End Item Identification: DRESSER IND,WIRE ROPE HOIST,SHAW-BOX SERIES 700. 0 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.