5305-01-580-0226 SCREW,CAP,HEXAGON HEAD Index 5305-01-580-0250 SCREW,MACHINE

National Stock Number:
5305-01-580-0243

Federal Supply Class:
5305

National Item Identification Number:
015800243

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:
NAS1081-06A4P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSETSCREW SELF LOCKING
POINT DIAMETER0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
POINT STYLEFLAT
WIDTH ACROSS FLATS0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJC


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