5305-00-998-3248 SCREW,TAPPING Index 5305-00-998-3251 SCREW,TAPPING

National Stock Number:
5305-00-998-3250

Federal Supply Class:
5305

National Item Identification Number:
009983250

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:
S1022Z6-10C71379CESSNA AIRCRAFT COMPANY
S1022Z6-10C7EK50TEXTRON AVIATION INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.625 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD DIAMETER0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL COMP 1010 OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
SURFACE TREATMENTCHROMIUM OVERALL


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