The Housing,bearing Unit, cataloged under National Stock Number 3130-00-101-9878, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-00-101-9878 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Flange Thickness | 0.1180 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.2800 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN |
| Housing Width | 2.7900 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.8300 INCHES NOMINAL IN |
| Bore Diameter | 0.7700 INCHES MINIMUM AND 0.7900 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 356.0 OVERALL |
| Housing Length | 1.2300 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 76843-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-00-101-9878 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-00-101-9878: Flange Thickness: 0.1180 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: FLANGE BLOCK; Mounting Hole Diameter: 0.2800 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN. 9 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.
NSN 3130-00-101-9878 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.