| 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, Twin Disc Incorporated, Marine And Industrial Transmissions Lt, 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 | ||||
| 3110-01-255-0285 (3110012550285) | 3110-01-155-9579 (3110011559579) | 3120-00-909-4754 (3120009094754) | 3120-01-058-2382 (3120010582382) | |
| 3120-12-346-8328 (3120123468328) | 3120-01-665-2641 (3120016652641) | 3110-01-394-7967 (3110013947967) | 3110-00-156-4156 (3110001564156) | |
| 3120-01-324-0459 (3120013240459) | 3120-01-338-7401 (3120013387401) | 3120-01-375-2931 (3120013752931) | 3120-01-546-5336 (3120015465336) | |
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