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 5910-01-229-2828
NSN 6135-01-494-3607
NSN 5920-00-149-0013
NSN 6150-01-027-1693
NSN 6240-01-207-3863
NSN 5999-01-434-1063
NSN 6220-01-437-8022
NSN 7035-00-096-9986
NSN 7035-00-541-8516
NSN 5990-01-211-6136
NSN 5999-00-172-3031
NSN 6105-01-435-1560