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 5996-00-954-0556
NSN 5910-01-556-8008
NSN 5910-01-173-5061
NSN 5935-01-334-1578
NSN 2925-01-213-6622
NSN 6610-01-455-9137
NSN 6105-01-557-1219
NSN 5895-01-101-2419
NSN 5915-00-926-8126
NSN 5935-00-987-4771
NSN 4140-01-491-2366
NSN 5965-01-212-6817