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 5935-00-617-3397
NSN 5935-01-544-4147
NSN 6220-01-141-6744
NSN 5999-01-417-9595
NSN 5910-00-725-3937
NSN 5960-01-142-8170
NSN 5915-00-528-9286
NSN 5925-01-484-2158
NSN 5950-01-032-4513
NSN 5925-00-269-2685
NSN 5990-00-052-3143
NSN 5915-01-487-3670