1620-00-612-3737 BOLT,DRAG STRUT CRANK,LANDING GE Index 1620-00-612-3741 DRAG BRACE,LANDING GEAR

National Stock Number:
5306-00-612-3740

Federal Supply Class:
5306

National Item Identification Number:
006123740

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:
371670-16Z800A AND M AEROSPACE, INC.
371670-198897LOCKHEED MARTIN CORP


Techincal Specification:
DISTANCE FROM CENTERLINE TO FLAT0.746 INCHES NOMINAL
FASTENER LENGTH2.940 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD DIAMETER1.625 INCHES NOMINAL
HEAD STYLEDEE CHAMFER
MATERIALSTEEL COMP 4340 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.930 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH3A


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