3110-01-078-8087 BALL,BEARING Index 4820-01-078-8091 VALVE,SAFETY RELIEF

National Stock Number:
3120-01-078-8088

Federal Supply Class:
3120

National Item Identification Number:
010788088

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.


Manufacturer Information:
19102-302121GOODRICH AEROSPACE CANADA LTD.
19102-315860NEW HAMPSHIRE BALL BEARINGS INC
19102-316746RBC SPECLINE INC
19102-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
19102-350632KAMATICS CORPORATION
AT68-10515860NEW HAMPSHIRE BALL BEARINGS INC
KJB237068F50632KAMATICS CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER4.2500 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.9720 INCHES NOMINAL
CORNER SHAPEROUND ALL CORNERS
CRITICALITY CODE JUSTIFICATIONAGAV
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
OVERALL LENGTH3.7100 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2014 OUTER LAYER
MATERIALCOTTON INNER LAYER
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY3 EXTERNAL


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