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 5925-00-998-1633
NSN 6135-00-010-5275
NSN 6220-00-258-2967
NSN 6650-01-197-4585
NSN 6110-01-500-2005
NSN 5975-01-195-9885
NSN 5990-01-071-1505
NSN 5920-01-190-3176
NSN 6105-00-405-5850
NSN 5999-01-093-6852
NSN 6135-01-180-9611
NSN 4140-00-192-3811