5305-00-372-9986 SCREW,MACHINE Index 5340-00-372-9990 HANDLE,BOW

National Stock Number:
5305-00-372-9989

Federal Supply Class:
5305

National Item Identification Number:
003729989

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:
035224-10489305SIMMONDS PRECISION PRODUCTS INC
1-72UNF3A1-870318ALLMETAL SCREW PRODUCTS CORP


Techincal Specification:
FASTENER LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEFOUR SPLINE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.073 INCHES
POINT STYLECUP
SPLINE MAJOR DIAMETER0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
SPLINE MINOR DIAMETER0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM
SPLINE WIDTH0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH72


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