AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bearing Ball Duplex |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-029-9708 (010299708) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Military Specifications, Timken Corporation, Barden Corporation, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M17931-A039NT | national instruments corporation | bearing ball duplex | RFQ |
| MIL-B-17931-A039 | military specifications | bearing ball duplex | RFQ |
| M17931-A039 | timken corporation | bearing ball duplex | RFQ |
| MIL-B-17931-A039NT | national instruments corporation | bearing ball duplex | RFQ |
| M17931-A039 | barden corporation | bearing ball duplex | RFQ |
| 79999115 | electric boat corporation | bearing ball duplex | RFQ |
| 79999115NT | national instruments corporation | bearing ball duplex | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZW |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Relevant Components for NSN - 3110-01-029-9708, 3110010299708 | ||||
| 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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