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 5999-01-260-3932
NSN 6240-01-449-1387
NSN 2925-00-172-9264
NSN 5855-01-366-2429
NSN 5975-01-519-0795
NSN 5935-01-608-1946
NSN 5920-01-563-3884
NSN 6135-01-092-4734
NSN 5895-01-459-1218
NSN 5998-00-417-1010
NSN 5960-01-598-9072
NSN 5915-01-097-4296