5305-00-753-4483 SETSCREW Index 5305-00-753-4488 SETSCREW

National Stock Number:
5305-00-753-4487

Federal Supply Class:
5305

National Item Identification Number:
007534487

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:
MS51025-2996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.250 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 1 STYLE
POINT STYLEFLAT
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENTCADMIUM AND CHROMATE AND ZINC AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MAXIMUM


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