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 5975-01-081-5095
NSN 6135-01-651-3210
NSN 5945-01-450-1919
NSN 6610-01-103-4627
NSN 6150-01-023-7710
NSN 5996-01-486-0687
NSN 6150-01-241-2516
NSN 5999-01-102-8917
NSN 5855-01-199-0150
NSN 5950-00-296-5505
NSN 5990-00-600-6151
NSN 5975-01-478-6166