The Capstan, cataloged under National Stock Number 3950-00-830-0320, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Iwc Llc Dba Ideal Windlass Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-00-830-0320 |
| Primary Part Number | EL475-2 |
| Item Name | Capstan |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Iwc Llc Dba Ideal Windlass Company |
| Status | ACTIVE |
| Duty Cycle | INTERMITTENT |
| Capstan Spool Style | CONCAVE HEAD |
| Inclosure Type | FULLY INCLOSED |
| Current Type | DC |
| Capstan Spool Quantity | 1 |
| Braking Method | ELECTRIC |
| Voltage in Volts | 230.0 |
| Cooling Method | SELF-VENTILATED |
| Travel Rate Per Minute | 35.0 FEET FT |
| Prime Mover Quantity | 1 |
| Capstan Spool Surface Design | PLAIN |
| Environmental Protection | WATERTIGHT |
| Capstan Spool Mounting Position | VERTICAL |
| Prime Mover Type | ELECTRIC MOTOR |
| Largest Diameter | 24.000 INCHES NOMINAL FIRST SPOOL IN |
| Power Requirement Rating | 15.00 HORSEPOWER |
| 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 |
NSN 3950-00-830-0320 is a Capstan, manufactured by Iwc Llc Dba Ideal Windlass Company, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-830-0320 has 2 manufacturer part numbers on file: EL475-2 (Iwc Llc Dba Ideal Windlass Company), EL475-1 (Iwc Llc Dba Ideal Windlass Company).
Key specifications for EL475-2: Duty Cycle: INTERMITTENT; Capstan Spool Style: CONCAVE HEAD; Inclosure Type: FULLY INCLOSED; Current Type: DC. 17 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.