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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BEARING , SLEEVE

Definition:

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.

CAGE Information

Code Company
21335 TIMKEN AEROSPACE, INC TIMKEN AEROSPA

Federal Supply Class

Title

BEARINGS, PLAIN, UNMOUNTED

Inclusions:

INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.

Exclusions:

EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
SFTT SURFACE TREATMENT PASSIVATE LEFT END SURFACE OF BODY
ADAS BODY INSIDE DIAMETER 0.7505 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM
CQFM HARDNESS RATING 27.0 ROCKWELL C MINIMUM OUTER LAYER AND 32.0 ROCKWELL C MAXIMUM OUTER LAYER
SFTT SURFACE TREATMENT PASSIVATE RIGHT END SURFACE OF BODY
STYL STYLE DESIGNATOR SOLID
CSYM SURFACE FINISH 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
MATT MATERIAL STEEL COMP 630 OUTER LAYER OR STEEL COMP 410 OUTER LAYER OR STEEL COMP 416 OUTER LAYER
ABHP OVERALL LENGTH 0.6462 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
MATT MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
BZLX CORNER SHAPE SQUARE ALL CORNERS
CSYM SURFACE FINISH 125.0 MICROINCHES RIGHT END SURFACE OF BODY
SFTT SURFACE TREATMENT PASSIVATE OUTSIDE DIAMETER SURFACE OF BODY
ADAR BODY OUTSIDE DIAMETER 0.9388 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM
CSYM SURFACE FINISH 125.0 MICROINCHES LEFT END SURFACE OF BODY
CSYM SURFACE FINISH 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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