The Bearing,ball,annular, cataloged under National Stock Number 3110-00-949-2045, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-949-2045 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0015 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 0.3749 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 BALL |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Calibration Designator | C01 |
| 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 |
|---|---|
| M81793-BFHHBX0SAE5SBB1 | 5/9 Secondary reference U.S. Government activity |
| 81793/01-FG4NXAXA1 | 2/2 Government specification standardization U.S. Government activity |
| 1306857-3 | 5/1 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div |
| SR2C5P15-20Z02Q10L04 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| MIL-B-81793/1 | 4/1 Identification reference U.S. Government activity |
NSN 3110-00-949-2045 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-289-8880, 3110-01-596-1076. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-00-949-2045: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Internal Clearance: 0.0015 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 19 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.