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National Stock Number:
3110-00-399-1053
Federal Supply Class:
3110
National Item Identification Number:
003991053
Description:
BEARING,BALL,AIRFRAME
Detail:
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
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Manufacturer Information:
| 9M171-4 | 76301 | THE BOEING COMPANY | | 9M171-4 | 83014 | HARTWELL CORPORATION | | HT670-3 | 6R871 | WINCHESTER MACHINE CO INC | | HT670-3 | 83014 | HARTWELL CORPORATION | | 9M171-4 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | 9M171-4 | 9N899 | CONTINENTAL CABLE, LLC |
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Techincal Specification:
| BORE DIAMETER | 0.2500 INCHES NOMINAL | | INNER RING WIDTH | 0.4840 INCHES NOMINAL | | INTERNAL FIT-UP DESIGNATION | STANDARD | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING WIDTH | 0.3350 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 0.9014 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | MATERIAL | STEEL COMP E52100 BALL | | MATERIAL | STEEL COMP E52100 OUTER RING | | MATERIAL | STEEL COMP E52100 INNER RING | | SEAL QUANTITY | 2 | | SPECIAL FEATURES | TERMINAL CABLE ASSY CONTAINING AIRFRAME BALL BEARING MS27640-4, BORE CENTER TO SHANK END 2.1250 IN. NOM | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS | | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
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