5305-01-073-4555 SCREW,MACHINE Index 5305-01-073-4557 THUMBSCREW

National Stock Number:
5305-01-073-4556

Federal Supply Class:
5305

National Item Identification Number:
010734556

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:
AN565DC3H388044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FASTENER LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 COMP 303S MIL SPEC ALL MATERIAL RESPONSES OR 303SE MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.099 INCHES
POINT STYLECUP
WIDTH ACROSS FLATS0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
THREAD QUANTITY PER INCH48
THREAD SERIES DESIGNATORUNC


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