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 6620-01-369-3589
NSN 5985-00-147-6937
NSN 2925-01-004-5627
NSN 4140-01-154-7033
NSN 5950-00-394-1546
NSN 6645-01-172-6838
NSN 5999-01-570-1979
NSN 5996-01-146-3972
NSN 5910-01-147-3869
NSN 5920-01-463-3525
NSN 5985-00-182-2966
NSN 5935-01-385-2917