5305-01-132-5277 SCREW,MACHINE Index 5305-01-132-5279 SETSCREW

National Stock Number:
5305-01-132-5278

Federal Supply Class:
5305

National Item Identification Number:
011325278

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:
74A733612-200176301THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH1.430 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT LENGTH0.650 INCHES NOMINAL
POINT STYLEBALL
POINT DIAMETER0.188 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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