The Bearing Unit,plain, cataloged under National Stock Number 3130-01-240-5376, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-240-5376 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Assembly Overall Length | 1.000 INCHES NOMINAL IN |
| Housing Height | 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBOREDROUND, UNTHREADED, COUNTERBORED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | MIL-B-21230 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.406 INCHES NOMINAL IN |
| Counterbore Depth | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN |
| Counterbore Diameter | 0.594 INCHES NOMINAL0.594 INCHES NOMINAL IN |
| Housing Width | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Base Length | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Shaft End Type | CLOSED |
| Base Thickness | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Bore Diameter | 0.9060 INCHES NOMINAL0.9060 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Housing Length | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.375 INCHES NOMINAL2.375 INCHES NOMINAL IN |
| Load Capability Type | RADIALRADIAL |
| 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 |
|---|---|
| SSN637-709-2481703 PIECE 43 | 5/2 Secondary reference U.S. Government activity |
| 77832-60X28 PIECE 43 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-240-5376 is a Bearing Unit,plain, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-240-5376: Assembly Overall Length: 1.000 INCHES NOMINAL IN; Housing Height: 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED, COUNTERBOREDROUND, UNTHREADED, COUNTERBORED; Style Designator: PILLOW BLOCK, SOLID. 19 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.