The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-669-2893, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-669-2893 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.491 INCHES NOMINAL IN |
| Style Designator | DOUBLE ROW |
| Overall Outside Diameter | 0.9014 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND NICKEL OVERALL |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 430 RETAINER |
| Lubrication Material Document and Classification | BMS3-33 MFR REF SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.620 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 |
|---|---|
| BACB10FX4JZ | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-669-2893 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-669-2893: Lubrication Material: GREASE; Outer Ring Width: 0.491 INCHES NOMINAL IN; Style Designator: DOUBLE ROW; Overall Outside Diameter: 0.9014 INCHES NOMINAL IN. 13 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.