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 5960-00-954-2682
NSN 5975-01-642-5275
NSN 5930-00-753-7889
NSN 6610-00-492-4592
NSN 5960-01-196-9203
NSN 6240-01-561-1208
NSN 5960-01-018-4162
NSN 5945-01-144-5401
NSN 5996-00-210-8409
NSN 5915-00-434-2300
NSN 5920-01-292-7060
NSN 7035-00-421-0468