5305-00-227-1177 SCREW,TAPPING Index 5305-00-227-1180 SCREW,TAPPING

National Stock Number:
5305-00-227-1178

Federal Supply Class:
5305

National Item Identification Number:
002271178

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:
FASTENER LENGTH0.500 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.457 INCHES MAXIMUM
HEAD HEIGHT0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
NONMACHINE NOMINAL THREAD DIAMETER0.242 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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