The Housing,mechanical Drive, cataloged under National Stock Number 3040-01-337-4157, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-337-4157 |
| Primary Part Number | 2EH558 |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2EH558 | Oshkosh Defense Llc (USA) |
| A027096829 | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 2EH558 | 5/9 Secondary reference Oshkosh Corp |
| 71260 | 5/9 Secondary reference Prestolite Electric Inc |
| A027096829 | 3/9 Design control — primary reference Prestolite Electric Inc |
| 96829 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 3040-01-337-4157 is a Housing,mechanical Drive, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-337-4157 has 2 manufacturer part numbers on file: 2EH558 (Oshkosh Defense Llc), A027096829 (Prestolite Electric Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-657-0333. Verify interchangeability with system specifications before substitution.
Key specifications for 2EH558: Criticality Code Justification: FEAT; Special Features: INCL SLIDEABLE BUSHING AND ROLLER BEARING; WEAPON SYSTEM ESSENTIAL; End Item Identification: 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER); 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS). 1 specification is 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.