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 5895-01-642-5651
NSN 5996-00-914-3143
NSN 6135-01-394-4160
NSN 5996-00-405-9093
NSN 5925-01-422-4569
NSN 5965-00-267-4173
NSN 5855-01-535-7127
NSN 5975-01-400-4204
NSN 6685-01-486-7795
NSN 6150-01-348-6580
NSN 6320-01-352-5653
NSN 6620-00-736-8457