| Item Name | Collar Bearing |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-043-1943 (010431943) |
| NCB Code | USA (01) |
| Manufacturer | Bae Systems Land And Armaments Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.8120 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.0000 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | COUNTERBORE 1.562 IN. DIA BY 0.562 IN. LG,2.000-12 UN-2A THD OD,8 PT 2.250 IN. WRENCHING END,4 0.375-16 UNC-2B SETSCREW HOLES |
| MATT | MATERIAL | COPPER ALLOY 260 OVERALL OR COPPER ALLOY 485 OVERALL OR COPPER ALLOY 360 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613,ALLOY 360,1/2H FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-637,ALLOY 485,1/2H FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-A-626,ALLOY 360,1/2H MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 3110-01-043-1943, 3110010431943 | ||||
| 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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