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 6620-00-939-0462
NSN 6650-00-292-3907
NSN 4140-01-466-5147
NSN 6135-01-222-0703
NSN 5985-01-424-1097
NSN 6110-01-059-8599
NSN 5950-00-596-7020
NSN 5905-01-644-7582
NSN 5935-00-295-6966
NSN 5985-01-547-8761
NSN 5910-00-917-5519
NSN 5950-00-824-2901