5305-01-077-3886 SCREW,CAP,SOCKET HEAD Index 5305-01-077-3889 THUMBSCREW

National Stock Number:
5305-01-077-3888

Federal Supply Class:
5305

National Item Identification Number:
010773888

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:
90700-198315DOWNEY MANUFACTURING INC


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT DIAMETER0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
POINT LENGTH0.179 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
POINT STYLEDOG
SPECIAL FEATURESHOLE IN THREADS 0.070 IN. DIA 0.120 IN. FROM DRIVE END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.125 INCHES NOMINAL


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