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 5935-00-452-2221
NSN 5935-01-428-9416
NSN 5965-01-477-1030
NSN 6645-01-203-7398
NSN 6130-00-850-2300
NSN 6145-01-276-7554
NSN 5999-00-225-8612
NSN 5950-00-167-1437
NSN 6240-01-043-5308
NSN 5895-01-282-3594
NSN 6145-01-323-1059
NSN 5925-00-501-6818