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 | ||||
| 3120-01-481-3108 (3120014813108) | 3120-01-425-5850 (3120014255850) | 3120-01-419-9976 (3120014199976) | 3110-00-839-9726 (3110008399726) | |
| 3120-01-384-0336 (3120013840336) | 3120-00-967-8122 (3120009678122) | 3110-01-527-5868 (3110015275868) | 3110-01-273-1688 (3110012731688) | |
| 3110-00-085-2998 (3110000852998) | 3110-00-089-1688 (3110000891688) | 3120-00-203-8749 (3120002038749) | 3110-01-171-2404 (3110011712404) | |
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