The Drum,winch, cataloged under National Stock Number 3950-01-433-2840, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-433-2840 |
| Item Name | Drum,winch |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Status | ACTIVE |
| Drum Surface Design | GROOVED |
| Drum Diameter | 411.0 MILLIMETERS NOMINAL MM |
| Next Higher Assembly Design Control Activity | 99300 |
| Drum Flange Diameter | 610.0 MILLIMETERS NOMINAL MM |
| Material | STEEL |
| 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 |
|---|---|
| D408483-A | 5/9 Secondary reference U.S. Government activity |
| S711976 | C/1 Advisory reference — outside the item-of-supply concept Palfinger Marine Usa, Llc |
| S711976 | 3/9 Design control — primary reference U.S. Government activity |
| D408483-A | C/1 Advisory reference — outside the item-of-supply concept Palfinger Marine Usa, Llc |
NSN 3950-01-433-2840 is a Drum,winch, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
Key specifications for 3950-01-433-2840: Drum Surface Design: GROOVED; Drum Diameter: 411.0 MILLIMETERS NOMINAL MM; Next Higher Assembly Design Control Activity: 99300; Drum Flange Diameter: 610.0 MILLIMETERS NOMINAL MM. 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.