The Housing,bearing Unit, cataloged under National Stock Number 3130-01-277-2012, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-277-2012 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Bore Diameter | 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 654-13000-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-277-2012 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-277-2012: Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Diameter: 0.218 INCHES NOMINAL IN; Special Features: HOUSING HEIGHT IS 1.125 IN.;HOUSING WIDTH IS 1.000 IN.;BASE LENGTH IS 1.092 IN.;USED ON MARK III WEATHER TERMINAL IN; Bore Diameter: 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN. 4 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.