No other part numbers with same form, fit, and function found.
A spring steel ringlike item designed to be placed between a piston ring and the piston to maintain the correct piston ring pressure against the cylinder wall.
NSN 6150-00-502-2692
NSN 5915-01-626-0583
NSN 5935-00-282-2729
NSN 5855-01-574-1821
NSN 5925-01-139-0882
NSN 6145-00-199-8066
NSN 5935-01-567-8766
NSN 5925-01-012-9800
NSN 5960-01-100-5065
NSN 5895-01-630-5149
NSN 4140-01-274-0423
NSN 6110-01-574-0265