| 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 |
| Components Related to NSN - 3110-01-239-4428, 3110012394428 | ||||
| 3120-01-665-2450 (3120016652450) | 3110-01-283-6582 (3110012836582) | 3120-01-315-2221 (3120013152221) | 3120-01-359-4572 (3120013594572) | |
| 3110-01-145-0558 (3110011450558) | 3120-01-224-3914 (3120012243914) | 3120-01-343-9812 (3120013439812) | 3110-00-554-3932 (3110005543932) | |
| 3120-01-504-0167 (3120015040167) | 3120-01-274-5630 (3120012745630) | 3110-00-106-6194 (3110001066194) | 3130-01-631-4178 (3130016314178) | |
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