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 5935-00-828-4957
NSN 6685-01-544-7462
NSN 5920-01-210-2300
NSN 2925-01-508-4138
NSN 5965-01-251-4381
NSN 6620-01-197-7665
NSN 6685-01-619-7829
NSN 5945-01-307-9828
NSN 6620-01-019-6952
NSN 5975-00-070-1139
NSN 5935-00-411-1834
NSN 5835-01-447-2544