AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Ball Thrust |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-156-1778 (001561778) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, Military Standards Corp, Federal Commercial Item Description |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4318 | timken corporation | bearing ball thrust | RFQ |
| MS17161-81 | military standards corp | bearing ball thrust | RFQ |
| A-A-52491-81 | federal commercial item description | bearing ball thrust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 3.3436 INCHES MINIMUM AND 3.3438 INCHES MAXIMUM |
| AGWJ | BORE SMALLEST DIAMETER | 2.2500 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM |
| AGYE | SURFACE FINISH | GROUND |
| AGZA | ALIGNMENT TYPE | RIGID |
| AGZQ | THRUST DIRECTIONAL CAPABILITY DESIGNATION | SINGLE |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| MATT | MATERIAL | STEEL COMP E50100 OVERALL OR STEEL COMP E51100 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | GROOVED RACE SURFACE |
| Relevant Components for NSN - 3110-00-156-1778, 3110001561778 | ||||
| 3120-00-045-7287 (3120000457287) | 3110-01-288-6347 (3110012886347) | 3120-00-448-7283 (3120004487283) | 3110-01-285-9244 (3110012859244) | |
| 3120-01-140-7330 (3120011407330) | 3120-01-156-5687 (3120011565687) | 3120-01-494-4653 (3120014944653) | 3120-01-665-2148 (3120016652148) | |
| 3110-01-487-0544 (3110014870544) | 3110-01-498-3678 (3110014983678) | 3120-01-086-4307 (3120010864307) | 3120-01-191-0584 (3120011910584) | |
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