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 5960-01-516-7264
NSN 6135-01-450-3781
NSN 2925-00-351-1015
NSN 6320-01-501-7935
NSN 5920-00-165-0390
NSN 5945-00-732-2888
NSN 5999-00-222-6226
NSN 5895-00-510-6431
NSN 6645-01-655-8115
NSN 6130-00-725-6913
NSN 5915-00-922-1629
NSN 5999-01-580-7321