5305-01-139-4797 SCREW,MACHINE Index 5305-01-139-4799 SETSCREW

National Stock Number:
5305-01-139-4798

Federal Supply Class:
5305

National Item Identification Number:
011394798

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
SM-B-28317080063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESIX SPLINE
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
POINT STYLEOVAL
SPLINE MAJOR DIAMETER0.097 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
SPLINE MINOR DIAMETER0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
SPLINE WIDTH0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM
THREAD CLASS2A
THREAD LENGTH0.250 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH36


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