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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BEARING , WASHER , THRUST

Definition:

AN ITEM OF ANY PERIPHERAL SHAPE USUALLY HAVING ONE FLAT OR SPHERICAL SURFACE AND A CENTRALLY LOCATED HOLE. IT IS DESIGNED FOR APPLICATIONS INVOLVING MOVING (KINETIC) LOADS. EXCEPT FOR ITEMS FABRICATED FROM BEARING QUALITY SYNTHETIC (PLASTIC) OR COMPOSED OF MULTILAYER MATERIAL, ONE BEARING SURFACE MUST EITHER HAVE A SPECIFIC SURFACE FINISH DESIGNATION OF 32 MICROINCH (0.8 MICROMETRE) OR LESS, ARITHMETICAL AVERAGE (AA) (ARITHMETIC MEAN DEVIATION) OR ONE OF THE FOLLOWING CONDITIONS: BE LAPPED OR GROUND; HAVE VISIBLE OR DETECTABLE MEANS OF LUBRICATION; GROOVES, INDENTATIONS; OR SELF-LUBRICATION. THE THICKNESS MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OF THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS (WHEN THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). EXCLUDES STRAIGHT, TUBULAR (WITHOUT FLANGE) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. SEE ALSO WASHER, FLAT AND SPACER, SLEEVE.

CAGE Information

Code Company
02413 KERSEY / AMERICAN LAFRANCE A DIV OF

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
CSYM SURFACE FINISH 125.0 MICROINCHES LEFT SIDE
STYL STYLE DESIGNATOR ROUND
MATT MATERIAL STEEL COMP 1020 OVERALL OR STEEL COMP 1015 OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
ABKV OUTSIDE DIAMETER 2.5000 INCHES NOMINAL
ABMZ DIAMETER 1.9390 INCHES MINIMUM AND 1.9490 INCHES MAXIMUM
CQFM HARDNESS RATING 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
BZLX CORNER SHAPE SQUARE ALL CORNERS
CBBL FEATURES PROVIDED CASEHARDENED
ADUM OVERALL THICKNESS 0.6140 INCHES MINIMUM AND 0.6180 INCHES MAXIMUM
FEAT SPECIAL FEATURES 3 HOLES 5/32 IN. DIA SPACED 120 DEG APART ON EXTERNAL SURFACE
CTLM LUBRICATION FEATURE GROOVE INTERNAL SURFACES
CSYM SURFACE FINISH 125.0 MICROINCHES RIGHT SIDE

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