3120-00-828-3791 BEARING,PLAIN,SPHERICAL Index 2825-00-828-3793 SEAT,VALVE

National Stock Number:
3120-00-828-3792

Federal Supply Class:
3120

National Item Identification Number:
008283792

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.


Manufacturer Information:
509E205DAP103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
509E205DAPC103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT


Techincal Specification:
BODY INSIDE DIAMETER3.0070 INCHES MINIMUM AND 3.0080 INCHES MAXIMUM
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
OVERALL LENGTH2.6250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER
MATERIALSTEEL COMP 1020 OUTER LAYER
MATERIALTIN ALLOY UNS L13840 INNER LAYER
SPHERICAL BODY DIAMETER5.4993 INCHES MINIMUM AND 5.5000 INCHES MAXIMUM
STYLE DESIGNATORSEGMENTED
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES SPHERICAL SURFACE


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