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 5920-00-078-8660
NSN 6650-01-188-4516
NSN 6145-00-366-5790
NSN 5998-01-010-8308
NSN 5935-00-602-6641
NSN 5960-00-138-2799
NSN 6105-01-431-6723
NSN 5985-00-007-1848
NSN 5905-00-386-1999
NSN 6105-01-459-4831
NSN 5835-01-509-8992
NSN 5960-01-054-9639