5305-00-249-0525 SETSCREW Index 5305-00-249-0527 SETSCREW

National Stock Number:
5305-00-249-0526

Federal Supply Class:
5305

National Item Identification Number:
002490526

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:
MS51017-3796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.375 INCHES MINIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR
QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND
53.0 ROCKWELL C MAXIMUM OVERALL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND
0.079 INCHES MAXIMUM
POINT STYLECUP
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS51017-37


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