5305-00-619-1988 SCREW,TAPPING Index 5305-00-619-1990 SCREW,TAPPING

National Stock Number:
5305-00-619-1989

Federal Supply Class:
5305

National Item Identification Number:
006191989

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:
FFS10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL OVERALL
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEHEXAGON


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