The Manual Drive Assy, cataloged under National Stock Number 3950-01-440-1522, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3950-01-440-1522 |
| Item Name | Manual Drive Assy |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Status | ACTIVE |
| General Characteristics Item Description | CADMIUM PLATING PER QQ-P-416 CLASS 2, TYPE II |
| Surface Treatment | CADMIUM |
| Material | STEEL AND STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4524716-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4524716 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3950-01-440-1522 is a Manual Drive Assy, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-469-0448. Verify interchangeability with system specifications before substitution.
Key specifications for 3950-01-440-1522: General Characteristics Item Description: CADMIUM PLATING PER QQ-P-416 CLASS 2, TYPE II; Overall Length: 14.500 INCHES NOMINAL IN; Special Features: WORM GEAR MANUL DRIVE ASSEMBLY WITH PIN AND LIMIT SWITCH FOR SLIDING PADEYE RECEIVING UNIT; Surface Treatment: CADMIUM. 3 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.