The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-443-0155, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-443-0155 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2417, TYPE 2 ASSN STD 1ST TREATMENT RESPONSE OR QQ-P-416, TYPE 1, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Material Document and Classification | AMS 6440 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6449 ASSN STD 2ND MATERIAL RESPONSE BALL |
| Overall Outside Diameter | 1.1875 INCHES NOMINAL IN |
| Specification/standard Data | 96906-MS21443 GOVERNMENT STANDARD |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM OR ZINC ALL EXTERNAL/EXPOSED METAL SURFACES |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E52100 OR STEEL COMP E51100 BALL |
| Material | STEEL RETAINER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4380 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 |
|---|---|
| MS21443-10 | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-01-443-0155 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-443-0155: Lubrication Material: GREASE; Outer Ring Width: 0.3750 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2417, TYPE 2 ASSN STD 1ST TREATMENT RESPONSE OR QQ-P-416, TYPE 1, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES; 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.