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 6610-01-658-6611
NSN 6110-01-020-8153
NSN 5990-01-501-5409
NSN 6620-01-107-2965
NSN 5935-01-028-1073
NSN 6150-01-258-1253
NSN 5930-01-238-6199
NSN 6150-01-494-9883
NSN 5985-00-361-8863
NSN 5996-01-351-6485
NSN 5920-00-269-4060
NSN 5930-00-816-7999