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 6145-00-419-0550
NSN 5905-00-852-7033
NSN 5985-01-217-3856
NSN 6220-01-296-1827
NSN 5835-00-677-9659
NSN 5930-01-292-4677
NSN 6105-01-645-3066
NSN 5930-00-436-1192
NSN 2925-01-624-5647
NSN 5930-00-489-7832
NSN 5835-00-180-7555
NSN 4140-00-826-9031