The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-099-3168, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-099-3168 |
| Primary Part Number | 3TKCR25-32U |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | LUBRICANT OR OIL |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RACE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RACE |
| Overall Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Specification/standard Data | 81413-222935 MANUFACTURERS SPECIFICATION CONTROL |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 1.5625 INCHES NOMINAL IN |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 440C INNER RACE |
| Material | STEEL COMP 440C OUTER RACE |
| Material | PLASTIC PHENOLIC AND COTTON SEPARATOR |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC 2ND MATERIAL RESPONSE |
| Inner Ring Width | 0.2812 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 |
|---|---|
| 3TKCR25-32U PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 222935-043 | 7/2 Vendor item drawing reference U.S. Government activity |
| V543KCRFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-099-3168 is a Bearing,ball,airframe, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-099-3168 has 1 manufacturer part number on file: 3TKCR25-32U (Mpb Corporation Dba Mpb Corp).
Key specifications for 3TKCR25-32U: Retainer Fabrication Method: MACHINED; Lubrication Material: LUBRICANT OR OIL; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Style Designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. 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.