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 2925-01-231-6312
NSN 5910-01-065-0977
NSN 5990-01-517-7848
NSN 6220-00-094-2919
NSN 5910-00-133-2952
NSN 5925-00-369-7747
NSN 5835-01-282-9768
NSN 6240-00-507-8987
NSN 5960-01-030-3191
NSN 2925-00-355-5130
NSN 5915-01-441-7857
NSN 5960-01-142-1995