5305-01-026-3154 SCREW,MACHINE Index 5305-01-026-3157 SCREW,TAPPING

National Stock Number:
5305-01-026-3156

Federal Supply Class:
5305

National Item Identification Number:
010263156

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:
FF-S-10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.476 INCHES MAXIMUM
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.169 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 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-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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