9540-01-437-4993 ANGLE,STRUCTURAL Index 9540-01-437-4995 STRUCTURAL SECTION,SPECIAL SHAPE

National Stock Number:
5305-01-437-4994

Federal Supply Class:
5305

National Item Identification Number:
014374994

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:
AN565C428H1088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 STYLE
POINT STYLEFULL DOG
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.612 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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