A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5935-00-405-6617
NSN 5975-01-292-0032
NSN 6650-00-498-2416
NSN 5965-00-945-3454
NSN 5985-01-391-2947
NSN 5835-01-644-8013
NSN 6240-01-157-9128
NSN 5855-00-688-9954
NSN 5835-01-492-3143
NSN 5920-01-552-4575
NSN 5920-01-391-7624
NSN 6320-00-823-2015