The Winch,drum,hand Operated, cataloged under National Stock Number 3950-00-431-9997, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is West Marine Products, Inc. Div Government Sales. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3950-00-431-9997 |
| Primary Part Number | 18513838 |
| Item Name | Winch,drum,hand Operated |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | West Marine Products, Inc. Div Government Sales |
| Status | ACTIVE |
| Load Rating | 1200.0 POUNDS MAXIMUM LBS |
| Drum Surface Design | PLAIN |
| Braking Method | MANUAL |
| Mechanical Advantage Method | CRANK |
| Gear Mechanical Advantage | DOUBLE |
| Operation Method | HAND |
| Drum Diameter and Location | 0.750 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 | X |
| Part Number | Manufacturer |
|---|---|
| 18513838 PRIMARY | West Marine Products, Inc. Div Government Sales (USA) |
| Reference | Meaning |
|---|---|
| 542 | 5/9 Secondary reference Fulton Mfg Corp |
| T1401 | 3/9 Design control — primary reference Fulton Mfg Corp |
| T1300Z | 5/9 Secondary reference Fulton Performance Products Inc |
NSN 3950-00-431-9997 is a Winch,drum,hand Operated, manufactured by West Marine Products, Inc. Div Government Sales, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-431-9997 has 1 manufacturer part number on file: 18513838 (West Marine Products, Inc. Div Government Sales).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-420-4017. Verify interchangeability with system specifications before substitution.
Key specifications for 18513838: Load Rating: 1200.0 POUNDS MAXIMUM LBS; Drum Surface Design: PLAIN; Braking Method: MANUAL; Mechanical Advantage Method: CRANK. 7 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.