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 5930-01-434-2377
NSN 5945-01-475-1680
NSN 5990-01-177-1139
NSN 6150-00-480-1253
NSN 4140-01-298-1073
NSN 5855-00-337-3679
NSN 5990-00-093-6794
NSN 5930-00-058-0277
NSN 5999-01-417-9761
NSN 5999-00-246-6304
NSN 5996-01-094-5587
NSN 6150-01-275-2707