The Housing,bearing Unit, cataloged under National Stock Number 3130-01-239-5242, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-239-5242 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Flange Thickness | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Material Document and Classification | MIL-S-870 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE SEAL |
| Mounting Hole Diameter | 0.688 INCHES NOMINAL0.688 INCHES NOMINAL IN |
| Overall Outside Diameter | 12.750 INCHES NOMINAL IN |
| Bolt Circle Diameter | 11.500 INCHES NOMINAL11.500 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 6.1270 INCHES MINIMUM AND 6.1270 INCHES MINIMUM AND 6.1280 INCHES MAXIMUM6.1280 INCHES MAXIMUM IN |
| Material | STEEL HOUSING |
| Material | COPPER ALLOY 934 SEAL |
| Housing Length | 5.802 INCHES NOMINAL IN |
| Housing Diameter | 12.750 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 |
|---|---|
| 60-348 PIECE 348A1 | 3/9 Design control — primary reference Hardie-Tynes Co., Inc. |
NSN 3130-01-239-5242 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-239-5242: Flange Thickness: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: FLANGE BLOCK; Material Document and Classification: MIL-S-870 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING. 14 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.