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National Stock Number:
3120-01-013-9709
Federal Supply Class:
3120
National Item Identification Number:
010139709
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.
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Manufacturer Information:
| 11614806 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 4R0731 | 11083 | CATERPILLAR INC | | 4R731 | 11083 | CATERPILLAR INC | | R40731 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND | | 65.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES | | OVERALL LENGTH | 1.3650 INCHES MINIMUM AND | | 1.3850 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.5030 INCHES MINIMUM AND | | 2.5040 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 2.0076 INCHES MINIMUM AND | | 2.0092 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | SURFACE FINISH | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 100.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY | | FEATURES PROVIDED | CASEHARDENED |
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