Material specification is qq-c-390 or astm b81
A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.
Classification: Press-fasteners, snap-fasteners & press-studs & parts therefor
NSN 6110-01-045-4160
NSN 6145-00-024-6683
NSN 5960-00-099-9790
NSN 5985-00-343-3632
NSN 5855-01-287-1515
NSN 5835-00-632-8621
NSN 5895-01-266-7286
NSN 5996-01-605-0950
NSN 6645-01-411-5657
NSN 6610-01-426-5090
NSN 6145-01-372-7286
NSN 5996-00-100-1238