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 6320-01-512-2031
NSN 4140-01-351-3892
NSN 5985-01-485-3062
NSN 6320-01-573-6490
NSN 6150-01-393-9676
NSN 5950-01-115-2390
NSN 5835-00-401-8655
NSN 5945-01-310-5371
NSN 5999-00-778-6340
NSN 7035-01-411-3611
NSN 5975-01-025-1870
NSN 5855-00-482-9876