The Hoist Extension, cataloged under National Stock Number 3950-01-669-7635, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3950-01-669-7635 |
| Primary Part Number | 8239173 |
| Item Name | Hoist Extension |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 8239173 | Bae Systems Land & Armaments L.p. (USA) |
| 01146922 | Bae Systems Land & Armaments L.p. (USA) |
| 01146922 | Bae Systems Bofors Ab (SWE) |
| 8239173 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SW325-AC-IPB-010 FIG/INDX 155-8 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3950-01-669-7635 is a Hoist Extension, manufactured by Naval Sea Systems Command, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-669-7635 has 4 manufacturer part numbers on file: 8239173 (Bae Systems Land & Armaments L.p.), 01146922 (Bae Systems Land & Armaments L.p.), 01146922 (Bae Systems Bofors Ab), 8239173 (Naval Sea Systems Command).
Key specifications for 8239173: Special Features: HOIST; Part Name Assigned by Controlling Agency: HOIST EXTENSION. 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.