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 5999-00-798-2157
NSN 5905-01-342-7196
NSN 6240-00-138-2491
NSN 6650-01-340-8897
NSN 6610-01-445-4304
NSN 5945-01-311-9980
NSN 4140-01-572-8983
NSN 6645-00-296-8310
NSN 6320-01-021-6633
NSN 6620-00-932-1207
NSN 5920-01-238-6676
NSN 6220-01-292-0980