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 5925-00-513-7610
NSN 5998-01-131-2884
NSN 4140-01-221-4050
NSN 6130-00-381-1927
NSN 5895-00-844-2954
NSN 6620-01-446-7290
NSN 5996-01-596-3039
NSN 5960-00-187-0429
NSN 6620-00-159-0866
NSN 5975-00-221-7175
NSN 5925-00-708-1605
NSN 6620-01-012-2852