5306-00-297-8521 BOLT,SHOULDER Index 5306-00-297-8524 BOLT,SHOULDER

National Stock Number:
5306-00-297-8522

Federal Supply Class:
5306

National Item Identification Number:
002978522

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:
272-480001638597LOCKHEED MARTIN CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.297 INCHES MAXIMUM
FASTENER LENGTH1.347 INCHES NOMINAL
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLEHEXAGON
HEAD HEIGHT0.156 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.500 INCHES MAXIMUM
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.3114 INCHES MINIMUM AND
0.3119 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.972 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.137 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE38597
DESIGN CONTROL REFERENCE272-4800016


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