The Washer-plain-small,6m is the most widely applied product in the KH250A5 1976 CANADA SEAT/SEAT COVER (S1-B/C,KH250-A5 ( eight times ).
A sample from the products for the Seat/seat Cover (s1-b/c,kh250-a5 include: Screw-pan Head,6x14, Washer,7x18x1.2,black, Damper Rubber, Key Set,#910.
The Cotter is the lowest priced item on this Seat/seat Cover (s1-b/c,kh250-a5 schematic.