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 5835-00-257-2852
NSN 5985-00-067-6750
NSN 5998-01-231-6614
NSN 5998-01-283-6732
NSN 5999-00-405-4488
NSN 4140-00-472-1739
NSN 6240-01-114-8099
NSN 5998-01-197-0201
NSN 5925-00-214-0461
NSN 5920-00-111-2375
NSN 5990-01-024-9659
NSN 5945-01-461-4434