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 4140-01-531-6124
NSN 5930-01-576-3787
NSN 5998-01-387-9046
NSN 5945-01-554-2724
NSN 2925-01-511-2667
NSN 5925-00-335-8727
NSN 5915-00-027-7665
NSN 2925-01-514-6301
NSN 2925-01-197-7864
NSN 6105-00-437-9189
NSN 5990-01-140-5497
NSN 5960-01-364-1318