The Hoist,wire Rope, cataloged under National Stock Number 3950-01-078-5999, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Thern Inc. Government technical data includes 9 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-078-5999 |
| Primary Part Number | 7521 |
| Item Name | Hoist,wire Rope |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Thern Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 WIRE ROPE |
| Raised Position Distance Between Suspension Hook and Load Hook Bearing Surface | 17.000 INCHES NOMINAL IN |
| Load Rating | 1000.0 POUNDS MAXIMUM LBS |
| Mounting Method | HOOK SUSPENSION |
| Mounting Position | PARALLEL |
| Mechanical Advantage Method | LEVER |
| Hook Quantity | 1 |
| Load Element Quantity Per Hook | 1 |
| 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 |
|---|---|
| 7521 PRIMARY | Thern Inc (USA) |
NSN 3950-01-078-5999 is a Hoist,wire Rope, manufactured by Thern Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-078-5999 has 1 manufacturer part number on file: 7521 (Thern Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6625-01-126-3156, 4520-01-530-8693, 6685-01-564-4167. Verify interchangeability with system specifications before substitution.
Key specifications for 7521: Furnished Items and Quantity: 1 WIRE ROPE; Raised Position Distance Between Suspension Hook and Load Hook Bearing Surface: 17.000 INCHES NOMINAL IN; Load Rating: 1000.0 POUNDS MAXIMUM LBS; Mounting Method: HOOK SUSPENSION. 9 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.