The Keeper,winch, cataloged under National Stock Number 3950-01-257-1553, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3950-01-257-1553 |
| Primary Part Number | 304788 |
| Item Name | Keeper,winch |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| Status | ACTIVE |
| 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 |
|---|---|
| 21301 SEQUENCE 91 | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| 304788 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
NSN 3950-01-257-1553 is a Keeper,winch, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-257-1553 has 2 manufacturer part numbers on file: 21301 SEQUENCE 91 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 304788 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-532-8025. Verify interchangeability with system specifications before substitution.
Key specifications for 304788: End Item Identification: HYDE PRODUCTS WINCH TYPE 21633. 0 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.