1025-01-528-4219 THERMAL SENSING ELE Index 5305-01-528-4221 SETSCREW

National Stock Number:
5305-01-528-4220

Federal Supply Class:
5305

National Item Identification Number:
015284220

Description:
SCREW,DRIVE

Detail:
A HARDENED CYLINDRICAL FASTENER WITH MULTIPLE SPIRAL FLUTES ON ITS SHANK. IT ALSO HAS AN END SMALLER IN DIAMETER THAN THE OUTSIDE DIAMETER OF THE SPIRAL FLUTES, WHICH ACTS AS A PILOT WHEN DRIVEN INTO A DRILLED HOLE.


Manufacturer Information:
NASM21318-880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH0.1875 INCHES NOMINAL
HEAD DIAMETER0.118 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
HEAD HEIGHT0.041 INCHES MINIMUM AND 0.049 INCHES MAXIMUM
HEAD STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONNAS-21318 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.075 INCHES
NONMACHINE THREAD STYLEDRIVE SCREW (TYPE U)
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,DRIVE,ROUND HEAD,TYPE U,STEEL,CARBON,CADMIUM PLATED
PILOT LENGTH0.047 INCHES NOMINAL
PILOT DIAMETER0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
SPECIAL FEATURESNOMINAL SIZE IS 0.073 OR NO. 0, 6 THRDS IN CIRCUMFERENCE, RECOMMENDED HOLE SIZE=0.067, DRILL SIZE=51.
SURFACE TREATMENTCADMIUM OVERALL


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