Home Ryobi RY401015US 66. Nut, 1/4-20 Nylon Locking – 678016002 66. Nut, 1/4-20 Nylon Locking – 678016002$1.66 66. Nut, 1/4-20 Nylon Locking - 678016002 quantity Add to cart Buy with Category: Ryobi RY401015US Description Nut, 1/4-20 Nylon Locking – Part#678016002 Related products 80. Plastic, Battery Housing Bottom – 535005002 $35.38 Ryobi RY401015USAdd to cart 65. Stamping Washer OD 15 x ID 62X – 638557001 $1.54 Ryobi RY401015USAdd to cart 59. Top Cover Door – 542610001 $4.98 Ryobi RY401015USAdd to cart 72. Power Head Led Assembly – 318032001 $28.10 Ryobi RY401015USAdd to cart