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 6135-01-493-2912
NSN 6240-01-537-0629
NSN 5985-01-311-6017
NSN 5925-01-292-2047
NSN 6105-01-410-7588
NSN 5920-01-146-9154
NSN 7035-00-193-2269
NSN 5920-00-348-9134
NSN 2925-01-131-0473
NSN 5996-01-425-1455
NSN 5920-01-603-0581
NSN 2925-01-545-2717