4140-01-421-3185 IMPELLER,FAN,AXIAL Index 4140-01-421-3187 IMPELLER,FAN,AXIAL

National Stock Number:
5306-01-421-3186

Federal Supply Class:
5306

National Item Identification Number:
014213186

Description:
BOLT,RIBBED SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.


Manufacturer Information:
10116418889WEBB WHEEL PRODUCTS INC A MEMBER OF THE MARMON GROUP OF COMPANIES
4R-984211083CATERPILLAR INC


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH88.9 MILLIMETERS NOMINAL
HEAD DIAMETER33.27 MILLIMETERS NOMINAL
HEAD STYLEFLAT CHAMFER
NOMINAL THREAD DIAMETER22.0 MILLIMETERS
SHOULDER DIAMETER25.58 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER LENGTH18.3 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD LENGTH57.2 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD QUANTITY PER INCH1.5


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