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 5990-00-161-2797
NSN 6150-01-177-1732
NSN 5985-01-157-9426
NSN 6110-01-454-9390
NSN 6105-00-886-6067
NSN 6130-01-163-1251
NSN 5998-00-918-9073
NSN 5996-00-470-5308
NSN 5998-01-650-4054
NSN 6240-00-800-4668
NSN 6145-01-127-9478
NSN 5950-00-761-3187