The Housing,bearing Unit, cataloged under National Stock Number 3130-01-658-7640, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 — Bearings, Mounted (FSG 31) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 3130-01-658-7640 |
| Primary Part Number | 4130883 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
|---|---|
| 4130883 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| MM00B921094 | 3/9 Design control — primary reference Tenneco Inc. Dba Tenneco Div the Pullman Company |
NSN 3130-01-658-7640 is a Housing,bearing Unit, manufactured by Oshkosh Defense Llc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-658-7640 has 1 manufacturer part number on file: 4130883 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-673-3898. 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.