The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4473, 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15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-142-4473 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.5620 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6250 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 |
|---|---|
| 34000-3 | 5/1 Secondary reference U.S. Government activity |
| 7730890 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| AN203KFP8A | 2/2 Government specification standardization U.S. Government activity |
| KFP8AFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
| KFP8A | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-142-4473 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6710-00-712-4949, 6680-01-158-3301, 2990-01-303-1202. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-00-142-4473: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.5620 INCHES NOMINAL IN; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. 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.