The Bearing,plain,spherical, cataloged under National Stock Number 3120-00-307-3151, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-307-3151 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES SPHERICAL SURFACE |
| Surface Finish | 32.0 MICROINCHES LEFT END SURFACE |
| Surface Finish | 32.0 MICROINCHES RIGHT END SURFACE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Hardness Rating | 57.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | SOLID |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3752 INCHES MINIMUM AND 0.3762 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Spherical Body Diameter | 1.0002 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 |
|---|---|
| 2488531 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-307-3151 is a Bearing,plain,spherical, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-307-3151: Surface Finish: 32.0 MICROINCHES SPHERICAL SURFACE; Surface Finish: 32.0 MICROINCHES LEFT END SURFACE; Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE; Corner Shape: SQUARE INSIDE RIGHT CORNER. 11 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.