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 6150-00-983-3176
NSN 5996-01-053-1617
NSN 6685-01-010-3234
NSN 6220-01-630-5354
NSN 6620-01-192-0543
NSN 5965-00-985-9157
NSN 6145-00-647-3660
NSN 6220-00-358-9580
NSN 6620-01-446-6571
NSN 6150-01-394-7576
NSN 5855-00-004-0904
NSN 6320-00-725-0754