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 6645-01-366-4344
NSN 5998-01-124-1966
NSN 5945-00-758-7649
NSN 6320-01-449-1014
NSN 6240-00-898-9896
NSN 5950-01-127-4701
NSN 6110-00-412-8198
NSN 5855-01-302-9778
NSN 5950-00-620-0561
NSN 6685-01-185-3968
NSN 5935-01-370-1941
NSN 6320-01-369-5014