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 6135-01-526-6530
NSN 7035-01-453-4242
NSN 6110-00-331-8472
NSN 6110-01-452-1414
NSN 5950-00-419-1907
NSN 6135-01-180-9611
NSN 6240-01-341-6579
NSN 5915-01-229-5178
NSN 6150-01-502-8187
NSN 7035-00-055-9778
NSN 6685-00-099-9025
NSN 6240-00-265-6538