AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Housing Bearing Unit |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 01-253-5979 (012535979) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, Amfs American Fleet Services |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKU | FLANGE THICKNESS | 0.656 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.516 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.1875 INCHES NOMINAL |
| AFWD | HOUSING LENGTH | 1.469 INCHES NOMINAL |
| AFWE | HOUSING WIDTH | 4.625 INCHES NOMINAL |
| AGKL | LUBRICATION FITTING TYPE | PIPE PLUG |
| AHZC | ASSEMBLY OVERALL LENGTH | 2.125 INCHES NOMINAL |
| CWGR | LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE | 45.0 DEGREES NOMINAL |
| CWJW | MOUNTING HOLE TYPE | ROUND,UNTHREADED |
| CXCX | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG SIDE OF A SQUARE | 3.625 INCHES NOMINAL |
| LBMA | LUBRICATION MATERIAL | GREASE |
| MATT | MATERIAL | IRON CAST OVERALL |
| STYL | STYLE DESIGNATOR | FLANGE BLOCK |
| Relevant Components for NSN - 3130-01-253-5979, 3130012535979 | ||||
| 3110-01-696-7051 (3110016967051) | 3110-01-258-5618 (3110012585618) | 3120-00-630-3389 (3120006303389) | 3110-01-263-2656 (3110012632656) | |
| 3110-01-191-0222 (3110011910222) | 3130-01-308-0149 (3130013080149) | 3120-00-483-6327 (3120004836327) | 3120-01-215-4909 (3120012154909) | |
| 3120-01-222-9170 (3120012229170) | 3120-00-717-2566 (3120007172566) | 3120-00-205-0898 (3120002050898) | 3120-00-307-0895 (3120003070895) | |
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