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 6150-00-959-8769
NSN 6650-01-046-2349
NSN 6145-00-601-9655
NSN 4140-01-657-5681
NSN 5925-01-149-5474
NSN 5965-00-524-5521
NSN 5990-01-462-8415
NSN 5915-01-567-8298
NSN 6645-01-549-0935
NSN 6650-01-142-3805
NSN 5950-01-485-2595
NSN 2925-00-194-7407