According to Wikipedia, also called a spring pin, sellock pin, or spring tension pin, A mechancial fastener of spring steel, driven into aligning holes of two objects.
http://www.nfauto.co.uk/e_r_spring_packs.htm
Shown in context on the half-coupler above, one pin is used securing the head of the bolt and another for the hinge.
http://www.nfauto.co.uk/e_r_spring_packs.htm
Shown in context on the half-coupler above, one pin is used securing the head of the bolt and another for the hinge.
