| Item Name | Housing Bearing Unit |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3130 Bearings Mounted |
| National Item Identification Number (NIIN) | 00-737-2123 (007372123) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc, General Electric Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKG | BOLT CIRCLE DIAMETER | 2.5520 INCHES MINIMUM AND 2.5720 INCHES MAXIMUM |
| AFWB | HOUSING DIAMETER | 3.1000 INCHES MINIMUM AND 3.1200 INCHES MAXIMUM |
| AFWD | HOUSING LENGTH | 2.3400 INCHES MINIMUM AND 2.3600 INCHES MAXIMUM |
| ANJS | SHAFT END TYPE | OPEN |
| MATT | MATERIAL | STEEL COMP E4340 HOUSING |
| STYL | STYLE DESIGNATOR | FLANGE BLOCK |
| ABKU | FLANGE THICKNESS | 0.1800 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM |
| ABTB | MOUNTING HOLE DIAMETER | 0.2210 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.7500 INCHES NOMINAL |
| CWJW | MOUNTING HOLE TYPE | ROUND,UNTHREADED |
| Components Related to NSN - 3130-00-737-2123, 3130007372123 | ||||
| 3120-01-264-5997 (3120012645997) | 3120-00-238-6669 (3120002386669) | 3120-00-456-2552 (3120004562552) | 3120-00-969-0409 (3120009690409) | |
| 3120-01-232-1939 (3120012321939) | 3120-01-215-7387 (3120012157387) | 3110-00-478-5817 (3110004785817) | 3120-01-474-9115 (3120014749115) | |
| 3110-01-616-9601 (3110016169601) | 3120-00-853-4270 (3120008534270) | 3110-01-714-3426 (3110017143426) | 3120-01-449-0197 (3120014490197) | |
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