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 7035-00-020-2227
NSN 6620-01-572-8734
NSN 4140-01-486-2030
NSN 5950-00-413-4118
NSN 5975-01-507-6611
NSN 5895-00-080-2003
NSN 5935-00-153-8456
NSN 5920-00-555-1877
NSN 6620-01-406-3584
NSN 5945-01-020-7897
NSN 5965-00-910-3233
NSN 6110-01-189-8949