5305-00-333-4248 SETSCREW Index 5305-00-333-4250 SETSCREW

National Stock Number:
5305-00-333-4249

Federal Supply Class:
5305

National Item Identification Number:
003334249

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:
1020682423KLEINSCHMIDT INC
FFS103TYPE3STYLE481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51019-3996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 4 STYLE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
SURFACE TREATMENTPHOSPHATE OVERALL


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