The Bearing,ball,annular, cataloged under National Stock Number 3110-01-286-6142, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-286-6142 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | OIL |
| Outer Ring Width | 0.1875 INCHES NOMINAL IN |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.5470 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Bore Shape | STRAIGHT |
| Specification/standard Data | 81349-MIL-B-81793 GOVERNMENT SPECIFICATION |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Width | 0.0450 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2187 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 |
|---|---|
| MIL-B-81793 | 4/1 Identification reference U.S. Government activity |
| M81793-FHFIAA0GCB71AB1 | 5/9 Secondary reference U.S. Government activity |
| M81793/16-KD1C2N1A1 | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-01-286-6142 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-286-6142: Lubrication Material: OIL; Outer Ring Width: 0.1875 INCHES NOMINAL IN; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 26 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.