The Winch,drum,power Operated, cataloged under National Stock Number 3950-01-346-2721, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Mcelroy Marine Machinery. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-346-2721 |
| Primary Part Number | B-3682-90 SERIES 20 |
| Item Name | Winch,drum,power Operated |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Mcelroy Marine Machinery |
| Status | ACTIVE |
| Duty Cycle | INTERMITTENT |
| Inclosure Type | PARTIALLY INCLOSED |
| Current Type | DC |
| Drum Surface Design | GROOVED |
| Voltage in Volts | 24.0 |
| Cooling Method | ANY ACCEPTABLE |
| Prime Mover Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Operation Method | POWERED |
| 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 |
|---|---|
| B-3682-90 SERIES 20 PRIMARY | Mcelroy Marine Machinery (USA) |
NSN 3950-01-346-2721 is a Winch,drum,power Operated, manufactured by Mcelroy Marine Machinery, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-346-2721 has 1 manufacturer part number on file: B-3682-90 SERIES 20 (Mcelroy Marine Machinery).
Key specifications for B-3682-90 SERIES 20: Duty Cycle: INTERMITTENT; Inclosure Type: PARTIALLY INCLOSED; Current Type: DC; Drum Surface Design: GROOVED. 9 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.