AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Roller Tapered |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-967-7974 (009677974) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, The Boeing Company, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 4.5625 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 4.0000 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 7.3750 INCHES NOMINAL |
| AGWU | BACKFACE CORNER RADIUS | 0.0930 INCHES NOMINAL |
| AGWV | STANDOUT WIDTH | 0.7022 INCHES NOMINAL |
| AGWW | CONE CORNER RADIUS | 0.1400 INCHES NOMINAL |
| AGWY | CUP WIDTH | 3.1581 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| FEAT | SPECIAL FEATURES | FURNISHED WITH X1S98400 CONE SPACER,0.0080 IN. BENCH LATERAL |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE,DOUBLE CUP,SINGLE CONES,STEEP ANGLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 753 TYPE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |
| Relevant Components for NSN - 3110-00-967-7974, 3110009677974 | ||||
| 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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