The Housing,bearing Unit, cataloged under National Stock Number 3130-01-004-2301, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3130-01-004-2301 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.2188 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.4688 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 61072 | 3/2 Design control — primary reference U.S. Government activity |
| 61072 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 3130-01-004-2301 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-110-2766, 2915-01-169-2178, 6760-01-681-3919. Verify interchangeability with system specifications before substitution.
Key specifications for 3130-01-004-2301: Mounting Hole Diameter: 0.2188 INCHES NOMINAL IN; Shaft End Type: OPEN; Bore Diameter: 1.4688 INCHES NOMINAL IN. 3 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.