The Bearing,ball,annular, cataloged under National Stock Number 3110-01-289-8880, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-289-8880 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Specification/standard Data | 81349-MIL-B-81793 GOVERNMENT SPECIFICATION |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 OVERALL |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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-81793/1 | 4/1 Identification reference U.S. Government activity |
| M81793/01-FG1C8N1A1 | 2/2 Government specification standardization U.S. Government activity |
| M81793-BFHHBA0GCD51AB1 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-289-8880 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-596-1076. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-01-289-8880: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 16 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.