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 5920-01-454-6536
NSN 6685-00-372-4670
NSN 6150-01-523-1373
NSN 6220-00-353-0942
NSN 6110-01-280-5390
NSN 5985-00-517-7418
NSN 6650-01-059-3396
NSN 5925-00-674-8318
NSN 6220-00-099-9192
NSN 6135-01-272-6039
NSN 6240-01-173-7809
NSN 5945-01-438-0498