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 4140-01-491-3882
NSN 5965-01-263-8601
NSN 5910-01-205-2824
NSN 6130-01-065-0541
NSN 5895-01-290-1019
NSN 5855-00-821-7512
NSN 6240-01-550-7515
NSN 6240-01-502-6405
NSN 5930-00-343-6755
NSN 2925-00-081-6835
NSN 5915-01-607-4773
NSN 5990-01-587-8562