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 6150-01-172-2038
NSN 5935-01-533-1515
NSN 5985-00-866-6470
NSN 5996-00-624-4110
NSN 5999-00-690-9773
NSN 5910-01-248-7063
NSN 6240-01-606-1850
NSN 5945-01-094-8264
NSN 5996-01-349-0261
NSN 7035-01-508-6447
NSN 5999-01-616-8237
NSN 6135-01-529-0122