scope:

THE SPECIFICATION ESTABLISHES THE REQUIREMENTS FOR PROCUREMENT OF SELF-PLUGGING BLIND RIVETS, WITH A MECHANICALLY LOCKED SOLID SPINDLE, WHICH CAN BE INSTALLED IN ASSEMBLIES OR CONSTRUCTION. THESE BLIND RIVETS ARE INTENDED FOR USE IN AIRCRAFT STRUCTURAL OR SIMILAR APPLICATIONS IN BOTH THICK AND THIN SHEETS. THE BULBED BLIND HEAD CONFIGURATION MAKES THESE RIVETS ESPECIALLY SUITED FOR THIN SHEET

OR DOUBLE DIMPLED APPLICATIONS.

STYLES, CLASSES, AND CODES - RIVETS SHALL BE FURNISHED IN THE FOLLOWING

STYLES, CLASSES AND CODES.

STYLE 'A' NOMINAL SHANK DIAMETER

CLASS 1 - PROTRUDING HEAD RIVETS (MS20470)

CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

CLASS 2 - 100 DEGREE FLUSH HEAD (MS20426) CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

CLASS 3 - 100 DEGREE FLUSH SHEAR HEAD (NAS1097) CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE

CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

STYLE 'B' 1/64" OVERSIZE SHANK DIAMETER

CLASS 1 - PROTRUDING HEAD RIVETS (MS20470)

CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

CLASS 2 - 100 DEGREE FLUSH HEAD (MS20426) CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

CLASS 4 - FLANGED DOME HEAD CODE B - 5056 ALUMINUM ALLOY SLEEVE-ALLOY STEEL SPINDLE CODE E - 5056 ALUMINUM ALLOY SLEEVE-CRES SPINDLE

intended Use:

THIS SPECIFICATION IS INTENDED TO ESTABLISH AND CONTROL THE QUALITY OF BLIND RIVETS FOR USE IN STRUCTURAL APPLICATIONS ON ITEMS AND COMPONENTS OF MILITARY EQUIPMENT.