The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4305, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-142-4305 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Outer Ring Width | 0.4690 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 3.8750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Surface Treatment | CADMIUM SHIELD |
| Bore Diameter | 2.9375 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Material | STEEL OR STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5310 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 |
|---|---|
| K47BKCRFS160A | 5/9 Secondary reference Timken Co Div the Timken Company |
| K47BKFS160 | 3/9 Design control — primary reference Timken Co Div the Timken Company |
| K47BKFS10160X | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-142-4305 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-142-4305: Outer Ring Width: 0.4690 INCHES NOMINAL IN; Shield Quantity: 2; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Overall Outside Diameter: 3.8750 INCHES NOMINAL IN. 15 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.