5306-01-212-6123 BOLT,MACHINE Index 5306-01-212-6125 BOLT,SHOULDER

National Stock Number:
5306-01-212-6124

Federal Supply Class:
5306

National Item Identification Number:
012126124

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:
3M381-5-3606725SPS TECHNOLOGIES, LLC
3M381-5-3606950HOWMET GLOBAL FASTENING SYSTEMS INC
3M381-5-3617446HUCK INTERNATIONAL, INC
3M381-5-3656878SPS TECHNOLOGIES, LLC
3M381-5-3676301THE BOEING COMPANY
3M381-5-3697928HUCK INTL INC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND
0.494 INCHES MAXIMUM
FASTENER LENGTH2.704 INCHES MINIMUM AND
2.734 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8735 OR
STEEL COMP 6150 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-7838 MIL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEDISHED HEXAGON
HEAD HEIGHT0.188 INCHES MINIMUM AND
0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND
0.564 INCHES MAXIMUM
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.3735 INCHES MINIMUM AND
0.3745 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH2.240 INCHES MINIMUM AND
2.260 INCHES MAXIMUM FIRST SHOULDER


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