3120-00-830-0342 BEARING,SLEEVE Index 3120-00-830-0344 BEARING,SLEEVE

National Stock Number:
3120-00-830-0343

Federal Supply Class:
3120

National Item Identification Number:
008300343

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:
390-050216712SIEMENS ENERGY, INC.


Techincal Specification:
BODY OUTSIDE DIAMETER7.9990 INCHES MINIMUM AND 8.0000 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
LUBRICATION MATERIALLUBRICATING OIL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-691 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER
MATERIALSTEEL UNS K02001 OUTER LAYER
MATERIALTIN ALLOY UNS L13890 INNER LAYER
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH2.7500 INCHES NOMINAL
STYLE DESIGNATORSEGMENTED, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
BODY INSIDE DIAMETER6.7500 INCHES MINIMUM AND 6.7510 INCHES MAXIMUM


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