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 6135-00-050-7189
NSN 5998-00-596-8869
NSN 5965-01-142-7862
NSN 5910-00-364-6995
NSN 6135-00-643-4843
NSN 5910-01-475-5478
NSN 5950-01-515-0172
NSN 6620-01-247-4127
NSN 6130-01-038-0806
NSN 5910-00-665-4276
NSN 6135-00-182-7008
NSN 5945-01-509-1199