AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Bearing Inner |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-278-6951 (002786951) |
| NCB Code | USA (00) |
| Manufacturer | Messinger Bearings Corporation, American Roller Bearing Co, Regal Beloit America Inc, Timken Aerospace Inc, Zvl Zkl Bearing Corp, Fag Bearings Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| C87780-50 | messinger bearings corporation | ring bearing inner | RFQ |
| C87780-50 | american roller bearing co | ring bearing inner | RFQ |
| C87780-50 | regal beloit america inc | ring bearing inner | RFQ |
| C87780-50 | timken aerospace inc | ring bearing inner | RFQ |
| C87780-50 | zvl zkl bearing corp | ring bearing inner | RFQ |
| C87780-50 | fag bearings corporation | ring bearing inner | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 3.4950 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 7.8728 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 9.1227 INCHES MINIMUM AND 9.1239 INCHES MAXIMUM |
| AGYE | SURFACE FINISH | GROUND |
| AGZD | BORE SHAPE | STRAIGHT |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 00 |
| FEAT | SPECIAL FEATURES | THE ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL. |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | INNER RING,ROLLER,CYLINDRICAL |
| Relevant Components for NSN - 3110-00-278-6951, 3110002786951 | ||||
| 3110-00-003-9270 (3110000039270) | 3120-00-948-5325 (3120009485325) | 3120-01-281-8447 (3120012818447) | 3120-00-432-7549 (3120004327549) | |
| 3120-12-347-5626 (3120123475626) | 3120-00-190-4518 (3120001904518) | 3110-01-606-7510 (3110016067510) | 3110-01-400-6136 (3110014006136) | |
| 3110-00-100-3617 (3110001003617) | 3120-00-174-6371 (3120001746371) | 3110-01-556-1019 (3110015561019) | 3120-01-104-8486 (3120011048486) | |
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