3110-01-276-4931 BEARING,ROLLER,NEEDLE Index 3120-01-276-4933 BUSHING,SLEEVE

National Stock Number:
3120-01-276-4932

Federal Supply Class:
3120

National Item Identification Number:
012764932

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:
1312-4 PIECE 1243689HUNTINGTON INGALLS INC
4403812 PC 1253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH6.1875 INCHES MINIMUM AND
6.3125 INCHES MAXIMUM
BODY INSIDE DIAMETER18.7500 INCHES MINIMUM AND
18.7520 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER24.7500 INCHES NOMINAL
FLANGE WIDTH0.9375 INCHES NOMINAL
CORNER SHAPEROUND OUTSIDE LEFT CORNER
CHAMFERED OUTSIDE RIGHT CORNER
SQUARE INSIDE RIGHT CORNER
SQUARE INSIDE LEFT CORNER
CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER
ROUND LEFT FLANGE BODY CORNER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE AND
4 HOLE
HOLE DIAMETER0.4375 INCHES NOMINAL FIRST
0.7500 INCHES MINIMUM SECOND
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
SPECIAL FEATURESID COUNTERBORE TO 19.2500 INCHES AT LEFT END; EIGHT ADDITIONAL HOLES IN FLANGE


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