5305-01-334-4638 SCREW,EXTERNALLY RELIEVED BODY Index 5306-01-334-4640 BOLT,SHEAR

National Stock Number:
5306-01-334-4639

Federal Supply Class:
5306

National Item Identification Number:
013344639

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:
1106051-0023B481H.O. BOSTROM COMPANY, INC.


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH22.50 MILLIMETERS NOMINAL
HEAD HEIGHT2.50 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1137 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
SHOULDER DIAMETER11.8 MILLIMETERS MINIMUM FIRST SHOULDER AND 12.0 MILLIMETERS MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH6.25 MILLIMETERS MINIMUM FIRST SHOULDER AND 6.45 MILLIMETERS MAXIMUM FIRST SHOULDER
WIDTH BETWEEN FLATS15.0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH16.15 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.5


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