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 5998-01-409-1174
NSN 6650-00-336-0753
NSN 6620-01-608-2682
NSN 5950-01-238-1094
NSN 5905-00-240-9704
NSN 5920-01-658-7973
NSN 6320-01-562-1599
NSN 5985-01-488-5214
NSN 6145-00-504-5221
NSN 5996-01-258-5327
NSN 6650-01-462-9709
NSN 5990-01-609-4793