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 5895-01-501-4485
NSN 6150-00-542-8668
NSN 6135-01-469-7574
NSN 6110-01-564-7851
NSN 6130-00-288-1886
NSN 6320-01-017-5274
NSN 2925-00-925-0545
NSN 6240-01-234-7893
NSN 6220-01-283-8761
NSN 4140-00-385-2925
NSN 5950-00-367-0959
NSN 6685-00-767-2090