The Winch,drum,hand Operated, cataloged under National Stock Number 3950-01-281-4338, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-281-4338 |
| Primary Part Number | 709-5486674 ITEM 1 |
| Item Name | Winch,drum,hand Operated |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Drum Flange Diameter and Location | 6.750 INCHES NOMINAL FIRST DRUM IN |
| Drum Surface Design | PLAIN |
| Mechanical Advantage Method | CRANK |
| Unable to Decode | UNABLE TO DECODE |
| Operation Method | HAND |
| Drum Diameter and Location | 1.750 INCHES NOMINAL FIRST DRUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 709-5486674 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5486674 ITEM 1 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 709-5486674 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5486674-0001 | 3/2 Design control — primary reference U.S. Government activity |
| 709-8500409 ITEM 34-1 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 3950-01-281-4338 is a Winch,drum,hand Operated, manufactured by Naval Sea Systems Command, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-281-4338 has 1 manufacturer part number on file: 709-5486674 ITEM 1 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-524-7613, 5310-01-656-3842. Verify interchangeability with system specifications before substitution.
Key specifications for 709-5486674 ITEM 1: Drum Flange Diameter and Location: 6.750 INCHES NOMINAL FIRST DRUM IN; Drum Surface Design: PLAIN; Mechanical Advantage Method: CRANK; Unable to Decode: UNABLE TO DECODE. 6 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.