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 6320-00-823-2015
NSN 5950-01-512-1973
NSN 5915-01-285-7457
NSN 5960-01-421-0887
NSN 5935-01-342-6375
NSN 5975-01-626-3177
NSN 5835-01-652-0168
NSN 6150-01-462-0202
NSN 5975-01-364-8662
NSN 6135-00-161-0746
NSN 6240-00-975-0868
NSN 6645-01-069-1326