Husqvarna hex head blade bolt. 3/8-24 x 1 -3/8.
Carriage head bolt.
Nut hex flange
Washer 3/8 Splt Lock
Nut-Locking. The manufacturer has changed vendors and the part may vary in character. Some do not have a nylon insert, however the nut is a locking type.
Husqvarna nut, 3/8-16.