The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-307-7930, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-307-7930 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2140 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM IN |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Style Designator | SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Material Document and Classification | AMS3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS3666 ASSN STD 2ND MATERIAL RESPONSE SEAL |
| Material Document and Classification | FED STD 66 E51100 FED STD 1ST MATERIAL RESPONSE OR FED STD 66 E52100 FED STD 2ND MATERIAL RESPONSE BALL |
| Material Document and Classification | FED STD 66 E51100 FED STD 1ST MATERIAL RESPONSE OR FED STD 66 E52100 FED STD 2ND MATERIAL RESPONSE INNER RING |
| Material Document and Classification | FED STD 66 E51100 FED STD 1ST MATERIAL RESPONSE OR FED STD 66 E52100 FED STD 2ND MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Specification/standard Data | 96906-MS27645 GOVERNMENT STANDARD |
| Load Direction | RADIAL |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM OVERALL |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 INNER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Self-Alignment Location | INTERNAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 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 |
|---|---|
| MS27645-4ARG | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-01-307-7930 is a Bearing,ball,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-307-7930: Lubrication Material: GREASE; Outer Ring Width: 0.2140 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM IN; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Style Designator: SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES. 22 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.