5305-01-234-2539 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-234-2541 SCREW,MACHINE

National Stock Number:
5306-01-234-2540

Federal Supply Class:
5306

National Item Identification Number:
012342540

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:
38260511083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH51.50 MILLIMETERS MINIMUM AND 54.50 MILLIMETERS MAXIMUM
HEAD HEIGHT11.58 MILLIMETERS MINIMUM AND 12.22 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GRADE 8 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
SHOULDER DIAMETER15.860 MILLIMETERS MINIMUM AND 15.874 MILLIMETERS MAXIMUM FIRST SHOULDER
SHOULDER LENGTH36.0 MILLIMETERS NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
WIDTH BETWEEN FLATS23.42 MILLIMETERS MINIMUM AND 23.81 MILLIMETERS MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH15.5 MILLIMETERS MINIMUM AND 18.5 MILLIMETERS MAXIMUM
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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