5305-01-578-8417 SCREW,MACHINE Index 5305-01-578-8504 SCREW,MACHINE

National Stock Number:
5305-01-578-8423

Federal Supply Class:
5305

National Item Identification Number:
015788423

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
23-1331064678DAIMLER TRUCK NORTH AMERICA LLC
23-13310-70664678DAIMLER TRUCK NORTH AMERICA LLC


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH0.706 INCHES NOMINAL
HEAD DIAMETER0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
HEAD STYLEDRIVE
INTERNAL DRIVE STYLETORX
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSELF-DRILLING TORX TAPPING SCREW ROUND WASHER HEAD, W/FLAT WASHER
PROPRIETARY CHARACTERISTICSPACS
NONMACHINE THREAD STYLESELF DRILLING
SPLINE MAJOR DIAMETER0.178 INCHES NOMINAL
SPECIAL FEATUREST25 TORX RECESS; HARDENED PER SAE J78; HEAD FINISH - BLACK PAINT PER 49-0091-023; FLAT WASHER FINISH - ZINC WITH SIDES PAINTED BLACK PER 49-00091-023; POINT - STYLE 2, TECHNARDRILL (PINCH) POINT PER TFS; THREAD SIZE 10-16
SURFACE TREATMENTZINC OVERALL


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