The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-516-7253, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-516-7253 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Inner Member Width | 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Outer Member Width | 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN |
| Style Designator | WITHOUT INSERT OR LINER WITH STAKING GROOVE |
| Material Document and Classification | MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Surface Treatment | NICKEL AND ZINC OUTER RACE MEMBER |
| Static Radial Load Rating | 11500 POUNDS LBS |
| Bore Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | GREASE AND DISULFIDE MOLYBDENUM LUBRICATION |
| Material | STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM 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 |
|---|---|
| MS21154S8 | 2/2 Government specification standardization U.S. Government activity |
NSN 3120-01-516-7253 is a Bearing,plain,self-Aligning, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-516-7253: Inner Member Width: 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Outer Member Width: 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN; Style Designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE; Material Document and Classification: MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION. 12 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.