The Sleeve,drum,winch, cataloged under National Stock Number 3950-01-431-6635, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Macgregor Sweden Ab. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-431-6635 |
| Primary Part Number | 139725 |
| Item Name | Sleeve,drum,winch |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Macgregor Sweden Ab |
| Status | ACTIVE |
| Drum Surface Design | GROOVED |
| 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 |
|---|---|
| 139725 | Macgregor Sweden Ab (SWE) |
| Reference | Meaning |
|---|---|
| 139725 | 5/9 Secondary reference Macgregor Sweden Ab |
| 589-6953094 ITEM 09 | 5/9 Secondary reference U.S. Government activity |
| 139725 | 3/9 Design control — primary reference Macgregor Usa Inc. Div Macgregor Usa |
NSN 3950-01-431-6635 is a Sleeve,drum,winch, manufactured by Macgregor Sweden Ab, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-431-6635 has 1 manufacturer part number on file: 139725 (Macgregor Sweden Ab).
Key specifications for 139725: Drum Surface Design: GROOVED; Special Features: NAVY WEAPON SYSTEM CODE TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS; SLEWING STERN RAMP SYSTEM SECTION 2 WINCH W2 PORT; CW ROATION; SPLIT SLEEVES. 1 specification is 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.