| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-992-1012 (009921012) |
| NCB Code | USA (00) |
| Manufacturer | Barden Corporation, General Dynamics Satcom, Timken Corporation, Rbc Aircraft Products Inc, National Instruments Corporation, Military Specifications, Skf Usa Inc, General Motors Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M17931-A017 | barden corporation | bearing ball duplex | RFQ |
| S7BT2L4B-22-1 | general dynamics satcom | bearing ball duplex | RFQ |
| M17931-A017 | timken corporation | bearing ball duplex | RFQ |
| M17931-A017 | rbc aircraft products inc | bearing ball duplex | RFQ |
| MILB17931NT | national instruments corporation | bearing ball duplex | RFQ |
| M17931-A017NT | national instruments corporation | bearing ball duplex | RFQ |
| S7BT2L4B-22-1NT | national instruments corporation | bearing ball duplex | RFQ |
| MILB17931 | military specifications | bearing ball duplex | RFQ |
| 7310DSXX00X015B13DG655B | skf usa inc | bearing ball duplex | RFQ |
| 30310DTL7077 | general motors corp | bearing ball duplex | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 2.1160 INCHES MINIMUM AND 2.1260 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.3305 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| AGZC | LOAD DIRECTION | ANGULAR |
| AGZH | INTERNAL FIT-UP DESIGNATION | TIGHT |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZW |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | D0D-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | UNIVERSAL GROUND FACES,COUNTERBORED OUTER RING,NON-SEPARABLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 134 TYPE AND 2 CLASS |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Relevant Components for NSN - 3110-00-992-1012, 3110009921012 | ||||
| 3120-01-494-3241 (3120014943241) | 3110-00-307-7377 (3110003077377) | 3110-00-903-6779 (3110009036779) | 3120-00-421-7780 (3120004217780) | |
| 3120-00-887-0410 (3120008870410) | 3120-00-159-7150 (3120001597150) | 3110-01-266-4906 (3110012664906) | 3120-01-380-1647 (3120013801647) | |
| 3120-00-279-0563 (3120002790563) | 3120-01-303-2883 (3120013032883) | 3120-01-459-5160 (3120014595160) | 3130-01-622-9685 (3130016229685) | |
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