5305-00-001-9144 SCREW,TAPPING Index 6640-00-001-9167 BURET,LABORATORY

National Stock Number:
5305-00-001-9147

Federal Supply Class:
5305

National Item Identification Number:
000019147

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 LENGTH0.750 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
HEAD HEIGHT0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
NONMACHINE NOMINAL THREAD DIAMETER0.040 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SURFACE TREATMENTCADMIUM OVERALL


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