| Item Name | Bearing Sleeve |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3120 Bearings Plain Unmounted |
| National Item Identification Number (NIIN) | 01-182-4171 (011824171) |
| NCB Code | USA (01) |
| Manufacturer | Alliant Techsystems Operations Llc, Northrop Grumman Systems Corporation, W Machine Works Inc, Mcdonnell Douglas Helicopter Co Inc, Franmar Manufacturing Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 387-3491 | alliant techsystems operations llc | bearing sleeve | RFQ |
| 387-3491 | northrop grumman systems corporation | bearing sleeve | RFQ |
| 387-3491 | w machine works inc | bearing sleeve | RFQ |
| 387-3491 | mcdonnell douglas helicopter co inc | bearing sleeve | RFQ |
| 387-3491 | franmar manufacturing inc | bearing sleeve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 23.5 MILLIMETERS NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 15.0 MILLIMETERS NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 19.1 MILLIMETERS NOMINAL |
| BZLX | CORNER SHAPE | CHAMFERED ALL CORNERS |
| MATT | MATERIAL | COPPER ALLOY 642 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SOLID,PLAIN,NO OUTSIDE FLANGES |
| Relevant Components for NSN - 3120-01-182-4171, 3120011824171 | ||||
| 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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