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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
42280 NASH ENGINEERING COMPANY INC THE

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
ABKV OUTSIDE DIAMETER 0.8750 INCHES NOMINAL
ABKV OUTSIDE DIAMETER 0.8750 INCHES NOMINAL
STYL STYLE DESIGNATOR ROUND
ABMZ DIAMETER 0.4900 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE COUNTERBORED
AAWZ COUNTERBORE DEPTH 0.0312 INCHES NOMINAL
ABMX CENTER HOLE SHAPE STYLE ROUND W/KEYWAY
SFCD SURFACE CONDITION LAPPED
AAWY COUNTERBORE DIAMETER 0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM
CQFM HARDNESS RATING 58.0 ROCKWELL C MINIMUM OVERALL AND 61.0 ROCKWELL C MAXIMUM OVERALL
MATT MATERIAL STEEL OVERALL
AGJT CENTER HOLE KEYWAY WIDTH 0.1266 INCHES MINIMUM AND 0.1366 INCHES MAXIMUM
ADZG LUBRICATION MATERIAL LUBRICANT, MANUFACTURERS STANDARD
AGJM CENTER HOLE KEYWAY DEPTH 0.0830 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM

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