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 6240-01-289-4536
NSN 5999-00-469-9872
NSN 5910-00-811-1851
NSN 5920-01-610-7253
NSN 6220-00-254-0427
NSN 6610-00-446-9269
NSN 6130-01-249-8758
NSN 5905-00-299-8000
NSN 5999-01-140-8935
NSN 5910-00-287-3258
NSN 5985-00-990-5215
NSN 6685-00-737-5211