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 6645-01-459-7788
NSN 5975-01-011-7239
NSN 5895-00-078-7614
NSN 6610-00-498-5198
NSN 6650-01-619-9986
NSN 5855-01-083-9053
NSN 6240-01-265-6958
NSN 4140-01-131-9394
NSN 5965-01-261-6073
NSN 5935-00-904-7479
NSN 5965-01-472-3664
NSN 5999-01-538-7132