| Item Name | Roller Bearing |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-239-4428 (012394428) |
| NCB Code | USA (01) |
| Manufacturer | Caterpillar Inc, Marine And Industrial Transmissions Lt, Twin Disc Incorporated, Federal Mogul Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 1.1280 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM |
| RDAL | III REFERENCE DATA AND LITERATURE | MFR SPEC Z-208820 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | S-533-90192 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AGAV | III END ITEM IDENTIFICATION | TWIN DISC HYDRAULIC TRANSMISSION MODEL TDC-2800/TDC-20-2800 |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E52100 OVERALL |
| AGWH | ROLLING ELEMENT DIAMETER | 0.4997 INCHES MINIMUM AND 0.4999 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI UNS G50986 ASSN STD 1ST MATERIAL RESPONSE OR AISI UNS G52986 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| FTLD | III FUNCTIONAL DESCRIPTION | PIN,CLUTCH SPOOL,MAIN VALVE ASSY |
| STYL | STYLE DESIGNATOR | CYLINDRICAL ROLLER, FLAT ENDS |
| Relevant Components for NSN - 3110-01-239-4428, 3110012394428 | ||||
| 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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