The Capstan, cataloged under National Stock Number 3950-01-024-0431, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Sigma Manufacturing Industries Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3950-01-024-0431 |
| Primary Part Number | 10559469 |
| Item Name | Capstan |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Sigma Manufacturing Industries Inc. |
| Status | ACTIVE |
| Operation Method | HAND |
| 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 |
|---|---|
| 10559469 PRIMARY | Sigma Manufacturing Industries Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10559467 | D/9 Drawing number reference only Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 10559467 | 5/9 Secondary reference Muse Metal Laboratories, Inc. |
NSN 3950-01-024-0431 is a Capstan, manufactured by Sigma Manufacturing Industries Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-024-0431 has 1 manufacturer part number on file: 10559469 (Sigma Manufacturing Industries Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-306-2433. Verify interchangeability with system specifications before substitution.
Key specifications for 10559469: Operation Method: HAND. 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.