5305-01-660-8563 SCREW,CLOSE TOLERANCE 5305-01-660-8955 SCREW,MACHINE

National Stock Number:
5305-01-660-8943

Federal Supply Class:
5305

National Item Identification Number:
016608943

Description:
SCREW,CLOSE TOLERANCE


Manufacturer Information:
NAS1580C4R09X80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.403 INCHES NOMINAL
FASTENER LENGTH0.965 INCHES NOMINAL
MATERIALIRON ALLOY 660 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.464 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.562 INCHES NOMINAL
GRIP DIAMETER0.264 INCHES MINIMUM AND
0.265 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, 100 DEGREE FLUSH HEAD


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