5305-01-094-8675 SCREW,TAPPING Index 5305-01-094-8678 SCREW,MACHINE

National Stock Number:
5306-01-094-8676

Federal Supply Class:
5306

National Item Identification Number:
010948676

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
8D538811083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH3.940 INCHES NOMINAL
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.375 INCHES
SHOULDER DIAMETER0.366 INCHES MINIMUM AND 0.374 INCHES MAXIMUM SECOND SHOULDER
SHOULDER DIAMETER0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH2.250 INCHES MINIMUM FIRST SHOULDER
SHOULDER SHAPEROUND ALL SHOULDERS
SHOULDER LENGTH0.690 INCHES NOMINAL SECOND SHOULDER
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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