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| Item Name | Cone And Rollers Tapered Roller |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-257-6974 (012576974) |
| NCB Code | USA (01) |
| Manufacturer | Timken Corporation, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HM813849-2-255 | timken corporation | cone and rollers tapered roller | RFQ |
| SB3259A-1 | sikorsky aircraft corporation | cone and rollers tapered roller | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 2.8125 INCHES MINIMUM AND 2.8130 INCHES MAXIMUM |
| AGWW | CONE CORNER RADIUS | 0.1406 INCHES NOMINAL |
| AGWX | CONE WIDTH | 1.4375 INCHES MINIMUM AND 1.4455 INCHES MAXIMUM |
| AGYF | RETAINER FABRICATION METHOD | STAMPED |
| CRTL | CRITICALITY CODE JUSTIFICATION | TEST AND FTLD |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA CLASS 2 |
| FTLD | FUNCTIONAL DESCRIPTION | CRTL APPL ACFT FLIGHT SAFETY |
| MATT | MATERIAL | STEEL COMP E51100 OVERALL OR STEEL COMP E52100 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J404 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AISI UNS G51986 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR SAE J404 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AISI UNS G51986 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| RDAL | REFERENCE DATA AND LITERATURE | MFR SELECTED ITEM DWG SB3259,DOD-STD-100,PARA 201.4.5 |
| STYL | STYLE DESIGNATOR | NORMAL ANGLE |
| SUPP | SUPPLEMENTARY FEATURES | OPERATING TEMP M65.0 P250.0 DEGREE F |
| TEST | TEST DATA DOCUMENT | 81349-MIL-T-8679 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTIN |
| TMDN | TYPE/MODEL DESIGNATION | TS |
| Relevant Components for NSN - 3110-01-257-6974, 3110012576974 | ||||
| 3110-00-003-9270 (3110000039270) | 3120-00-948-5325 (3120009485325) | 3120-01-281-8447 (3120012818447) | 3120-00-432-7549 (3120004327549) | |
| 3120-12-347-5626 (3120123475626) | 3120-00-190-4518 (3120001904518) | 3110-01-606-7510 (3110016067510) | 3110-01-400-6136 (3110014006136) | |
| 3110-00-100-3617 (3110001003617) | 3120-00-174-6371 (3120001746371) | 3110-01-556-1019 (3110015561019) | 3120-01-104-8486 (3120011048486) | |
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