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 5895-00-525-3295
NSN 5905-00-500-5743
NSN 5990-01-016-4194
NSN 5915-00-244-9805
NSN 6220-01-241-3668
NSN 5920-00-390-3437
NSN 6620-00-730-8699
NSN 6320-01-576-6310
NSN 5990-00-118-8953
NSN 6685-01-462-0141
NSN 5960-01-478-9493
NSN 5935-01-228-9804