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 6150-00-141-8793
NSN 5925-01-238-8563
NSN 5960-00-802-6224
NSN 6240-01-023-2013
NSN 5945-00-859-6453
NSN 6150-01-623-5142
NSN 5925-00-081-3181
NSN 5935-00-929-3670
NSN 5999-00-031-1150
NSN 5905-00-553-9985
NSN 5999-01-378-5395
NSN 5990-01-633-9503