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National Stock Number: 3120-00-802-1929
Federal Supply Class: 3120
National Item Identification Number: 008021929
Description: BEARING,PLAIN,SPHERICAL
Detail: A DETACHABLE PART IN OR ON WHICH A JOURNAL, GUDGEON, PIVOT, OR THE LIKE MOVES. IT IS USED TO CARRY A LOAD AND TO REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS. IT MAY BE DIVIDED INTO TWO OR MORE SEGMENTS OF 180 DEGREES (3.141 RADIANS) OR LESS. THE ITEM HAS A CYLINDRICAL BORE AND IS BASICALLY SPHERICAL IN ITS EXTERIOR DESIGN TO ALLOW FOR SHAFT MISALIGNMENT. EXCLUDES BEARING, PLAIN, SELF-ALIGNING.
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Manufacturer Information:
39-8837 | 81205 | THE BOEING COMPANY | 39-8837 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
MATERIAL | STEEL COMP 440C OVERALL | HARDNESS RATING | 56.0 ROCKWELL C NOMINAL OVERALL | STYLE DESIGNATOR | SOLID | OVERALL LENGTH | 0.5950 INCHES MINIMUM AND | | 0.6000 INCHES MAXIMUM | BODY INSIDE DIAMETER | 0.4382 INCHES MINIMUM AND | | 0.4388 INCHES MAXIMUM | SPHERICAL BODY DIAMETER | 0.9987 INCHES MINIMUM AND | | 0.9993 INCHES MAXIMUM | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER | | SQUARE INSIDE LEFT CORNER | SURFACE FINISH | 63.0 MICROINCHES OVERALL | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 82918 | DESIGN CONTROL REFERENCE | 39-8837 |
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