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 5915-01-039-7126
NSN 5985-01-328-8072
NSN 5996-01-545-9603
NSN 6240-01-468-5576
NSN 5895-01-489-1528
NSN 6110-01-234-5823
NSN 6150-01-056-1011
NSN 5905-00-977-9750
NSN 6685-01-250-4341
NSN 4140-01-290-5230
NSN 6220-00-353-0942
NSN 5999-00-187-5372