5305-00-068-0520 SCREW,MACHINE Index 5305-00-068-0523 SCREW,TAPPING

National Stock Number:
5305-00-068-0522

Federal Supply Class:
5305

National Item Identification Number:
000680522

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:
MS24621-4596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
WIDTH ACROSS FLATS0.357 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL


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