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 5920-01-543-0800
NSN 5855-01-498-3065
NSN 6650-00-833-4002
NSN 5985-00-766-5637
NSN 6240-01-155-2959
NSN 6105-01-086-6149
NSN 5975-01-374-6693
NSN 6220-00-149-0977
NSN 5930-00-999-3226
NSN 6150-00-353-7392
NSN 5930-01-497-5796
NSN 7035-00-115-1886