5340-01-379-4243 BRACKET,MOUNTING Index 5305-01-379-4245 SCREW,MACHINE

National Stock Number:
5306-01-379-4244

Federal Supply Class:
5306

National Item Identification Number:
013794244

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:
13214E3932-297403CECOM LR CENTER


Techincal Specification:
FASTENER LENGTH2.690 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHOULDER DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.708 INCHES MINIMUM AND 0.718 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESDRILLED HOLE ON FLAT PORTION OF HEAD 0.064 - .070 IN DIA
WIDTH BETWEEN FLATS0.560 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.060 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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