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 7035-00-286-6221
NSN 5945-01-427-3790
NSN 5999-01-022-4581
NSN 6145-00-378-3836
NSN 5975-00-818-3819
NSN 5950-01-575-1859
NSN 5999-01-363-1735
NSN 5990-00-860-1960
NSN 7035-01-408-8698
NSN 5960-00-797-3700
NSN 5905-01-136-6900
NSN 6685-00-881-7305