The Housing,mechanical Drive, cataloged under National Stock Number 3040-01-355-0559, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Corp Hydraulics Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-355-0559 |
| Primary Part Number | 21625-4 |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Corp Hydraulics Div |
| 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 |
|---|---|
| 21625-4 PRIMARY | Eaton Corp Hydraulics Div (USA) |
| 2GK306 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 21625-4 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 21625-4 | 5/9 Secondary reference DP Mfg Inc |
| 2GK306 | 5/9 Secondary reference Oshkosh Corp |
NSN 3040-01-355-0559 is a Housing,mechanical Drive, manufactured by Eaton Corp Hydraulics Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-355-0559 has 2 manufacturer part numbers on file: 21625-4 (Eaton Corp Hydraulics Div), 2GK306 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-617-3742. Verify interchangeability with system specifications before substitution.
Key specifications for 21625-4: Overall Width: 1.137 INCHES NOMINAL IN; End Item Identification: 2320-01-318-9902; TRUCK,FAMILY OF MEDIUM TACTICLE VEHICLE(FMTV)-MEDIUM. 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.