We appreciate your interest in our selection of parts that fall under the NSN 3110-01-257-6976. Below, top-requested part numbers like SB2517-1, SE-532, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 3110-01-257-6976, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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| 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 | ||||
| 3120-01-496-2559 (3120014962559) | 3130-00-303-1420 (3130003031420) | 3120-00-420-1911 (3120004201911) | 3120-01-706-2341 (3120017062341) | |
| 3110-01-160-4438 (3110011604438) | 3110-01-135-4198 (3110011354198) | 3120-01-561-8827 (3120015618827) | 3120-01-509-0916 (3120015090916) | |
| 3110-00-848-8238 (3110008488238) | 3130-00-631-0484 (3130006310484) | 3130-01-631-4384 (3130016314384) | 3120-00-809-6710 (3120008096710) | |
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