The Housing,mechanical Drive, cataloged under National Stock Number 3950-01-281-5979, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Parker Hannifin Corporation Div Cylinder Division (CAGE 13829); Grove U.s. Llc Dba Grove Us Llc (CAGE 12361) |
| Parameter | Value |
|---|---|
| NSN | 3950-01-281-5979 |
| Primary Part Number | 312-8012-228 |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| 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 |
|---|---|
| 312-8012-228 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| RA1688-12-34 | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 9722102890 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 7-722-000258 | D/9 Drawing number reference only Grove U.s. Llc Dba Grove Us Llc |
NSN 3950-01-281-5979 is a Housing,mechanical Drive, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-281-5979 has 3 manufacturer part numbers on file: 312-8012-228 (Parker Hannifin Corporation Div Cylinder Division), RA1688-12-34 (Parker Hannifin Corporation Div Cylinder Division), 9722102890 (Grove U.s. Llc Dba Grove Us Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-281-7910, 4320-01-281-7944. Verify interchangeability with system specifications before substitution.
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.