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 5990-01-642-5748
NSN 5985-01-420-4209
NSN 6135-00-885-6003
NSN 6220-01-283-0384
NSN 5975-01-564-3179
NSN 6320-00-405-2348
NSN 5905-01-264-9774
NSN 6620-00-186-3061
NSN 5960-01-252-8821
NSN 5920-01-145-5359
NSN 5935-01-097-3762
NSN 5915-01-644-2201