| Item Name | Bearing Washer Thru |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3120 Bearings Plain Unmounted |
| National Item Identification Number (NIIN) | 01-251-1681 (012511681) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ABKV | OUTSIDE DIAMETER | 0.4390 INCHES MINIMUM AND 0.4440 INCHES MAXIMUM |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABMZ | DIAMETER | 0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.1540 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C NOMINAL OVERALL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | ROUND |
| Relevant Components for NSN - 3120-01-251-1681, 3120012511681 | ||||
| 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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