PURPOSE.

THIS SPECIFICATION ESTABLISHES THE REQUIREMENTS FOR TITANIUM PULL-TYPE AND STUMP-TYPE FLUSH AND PROTRUDING HEAD, PIN-RIVET, GROOVED, AND TITANIUM COLLAR, GROOVED, PIN-RIVET AS PERMANENT ATTACHMENT FASTENERS ON COMPOSITE MATERIALS.

CLASSIFICATION.

THE PINS AND COLLARS COVERED BY THIS SPECIFICATION SHALL BE OF THE TYPES, SIZES, AND MATERIALS DESIGNATED BY THE PART NUMBERS SPECIFIED ON THE APPLICABLE NAS PART NUMBERS.