| Item Name | Ring Bearing Inner |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 01-257-6976 (012576976) |
| NCB Code | USA (01) |
| Manufacturer | Sikorsky Aircraft Corporation, Mcgill Manufacturing Company Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 3.4980 INCHES MINIMUM AND 3.4985 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM |
| AGYE | SURFACE FINISH | GROUND |
| AGZD | BORE SHAPE | STRAIGHT |
| CBBL | FEATURES PROVIDED | LUBRICATION HOLE AND LUBRICATION GROOVE |
| CRTL | CRITICALITY CODE JUSTIFICATION | TEST AND FTLD |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS |
| FTLD | FUNCTIONAL DESCRIPTION | CRTL APPL ACFT FLIGHT SAFETY |
| MATT | MATERIAL | STEEL COMP E52100 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J404 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AISI UNS G52986 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| RDAL | REFERENCE DATA AND LITERATURE | MFR SELECTED ITEM DWG SB2517,DOD-STD-100,PARA 201.4.5 |
| STYL | STYLE DESIGNATOR | SOLID INNER RACE,JOURNAL AND NEEDLE |
| SUPP | SUPPLEMENTARY FEATURES | HARDNESS RC 60.0 MIN 65.0 MAX; OPERATING TEMP M65.0 P250.0 DEG F |
| TEST | TEST DATA DOCUMENT | 81349-MIL-T-8679 AND 100.0 PCT MAGNAFUX MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIM |
| Relevant Components for NSN - 3110-01-257-6976, 3110012576976 | ||||
| 3110-01-211-2805 (3110012112805) | 3120-01-257-6733 (3120012576733) | 3120-00-662-8792 (3120006628792) | 3120-01-556-4188 (3120015564188) | |
| 3110-00-198-0780 (3110001980780) | 3120-01-335-6987 (3120013356987) | 3120-01-251-2000 (3120012512000) | 3110-00-275-0562 (3110002750562) | |
| 3110-00-227-2438 (3110002272438) | 3130-01-253-7332 (3130012537332) | 3110-01-563-7380 (3110015637380) | 3120-01-370-1090 (3120013701090) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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