| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-044-7289 (010447289) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Hansome Energy Systems Inc, Electric Boat Corporation, Military Specifications, Barden Corporation, Timken Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MIL-B-17931ENT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| ESB052-18 | hansome energy systems inc | bearing ball duplex | 51802 | RFQ |
| 3586-1PC26 | electric boat corporation | bearing ball duplex | 95402 | RFQ |
| 17931A044 | electric boat corporation | bearing ball duplex | 96169 | RFQ |
| MIL-B-17931E | military specifications | bearing ball duplex | 81349 | RFQ |
| 79999112NT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| M17931-A044NT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| A-509-278 ITEM NO 20NT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| 79999112 | electric boat corporation | bearing ball duplex | 95402 | RFQ |
| ESB052-18NT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| 995863070 | electric boat corporation | bearing ball duplex | 95402 | RFQ |
| M17931-A044 | barden corporation | bearing ball duplex | 70854 | RFQ |
| M17931-A044 | timken corporation | bearing ball duplex | 21335 | RFQ |
| 17931A044NT | national instruments corporation | bearing ball duplex | 03950 | RFQ |
| A-509-278 ITEM NO 20 | hansome energy systems inc | bearing ball duplex | 51802 | RFQ |
| M17931-A044 | military specifications | bearing ball duplex | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | MOTOR AC 440 V 200HP 1200RPM |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZW |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Relevant Components for NSN - 3110-01-044-7289, 3110010447289 | ||||
| 3110-01-152-8152 (3110011528152) | 3120-01-185-8740 (3120011858740) | 3120-00-661-4351 (3120006614351) | 3120-00-518-6871 (3120005186871) | |
| 3110-00-168-1471 (3110001681471) | 3110-01-354-4581 (3110013544581) | 3120-01-680-4661 (3120016804661) | 3120-01-518-6652 (3120015186652) | |
| 3120-00-382-2710 (3120003822710) | 3120-00-529-8687 (3120005298687) | 3110-01-143-1798 (3110011431798) | 3110-01-500-2447 (3110015002447) | |
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