The Capstan, cataloged under National Stock Number 3950-01-326-3476, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-326-3476 |
| Primary Part Number | 4863664 ITEM 1L1 |
| Item Name | Capstan |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Capstan Spool Style | SINGLE HEAD |
| Criticality Code Justification | ZZZY |
| Mechanical Advantage Method | WORM GEAR |
| Capstan Spool Mounting Position | HORIZONTAL |
| Operation Method | POWERED |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4863664 ITEM 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4863664 ITEM 1 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3950-01-326-3476 is a Capstan, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-326-3476 has 1 manufacturer part number on file: 4863664 ITEM 1L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4863664 ITEM 1L1: Capstan Spool Style: SINGLE HEAD; Criticality Code Justification: ZZZY; Mechanical Advantage Method: WORM GEAR; Capstan Spool Mounting Position: HORIZONTAL. 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.
NSN 3950-01-326-3476 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.