The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-5899, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-142-5899 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3750 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Bore Diameter | 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5530 INCHES MINIMUM AND 0.5580 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 |
|---|---|
| MKP5E9105 | 5/9 Secondary reference Timken Co Div the Timken Company |
| C525KP5 | 3/2 Design control — primary reference U.S. Government activity |
| MKP5SD702 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-00-142-5899 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-142-5899: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3750 INCHES NOMINAL IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 14 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.