The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-293-9649, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-293-9649 |
| Primary Part Number | KP48BSFS160 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.4690 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING |
| Overall Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING |
| Load Direction | RADIAL |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Bore Diameter | 3.0000 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BALL |
| Self-Alignment Location | EXTERNAL |
| Lubrication Material Document and Classification | MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.5310 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 |
| Part Number | Manufacturer |
|---|---|
| KP48BSFS160 | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA) |
| Reference | Meaning |
|---|---|
| C696KP48BS | 3/2 Design control — primary reference U.S. Government activity |
| KP48BSFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
| KP48BSMILG3278 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-293-9649 is a Bearing,ball,airframe, manufactured by Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-293-9649 has 1 manufacturer part number on file: KP48BSFS160 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings).
Key specifications for KP48BSFS160: Bearing Seal Type: CONTACT; Outer Ring Width: 0.4690 INCHES NOMINAL IN; Style Designator: SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING; Overall Outside Diameter: 4.2500 INCHES NOMINAL IN. 18 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.