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 5990-01-492-6575
NSN 5990-00-185-9586
NSN 6620-01-382-7392
NSN 5960-01-577-5682
NSN 5925-01-268-1825
NSN 6105-01-375-1068
NSN 6220-00-062-6647
NSN 2925-01-058-1718
NSN 6105-01-495-1492
NSN 5965-01-071-3704
NSN 6240-01-570-8070
NSN 5935-01-437-1543