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 Add to wishlist Category: Ryobi RY401015US Description Nut, 1/4-20 Nylon Locking – Part#678016002 Related products 80. Plastic, Battery Housing Bottom – 535005002 $35.38 Ryobi RY401015US Add to cart 53. Handle – 537116002 $7.64 Ryobi RY401015US Add to cart 78. Key Base Assembly – 318031001 $54.60 Ryobi RY401015US Add to cart 75. Start Key Assembly – 318030001 $7.56 Ryobi RY401015US Add to cart