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 6685-00-663-9000
NSN 6240-01-119-5978
NSN 5895-00-974-5100
NSN 5985-01-066-7743
NSN 5895-01-441-9089
NSN 5915-00-591-3789
NSN 5855-01-169-9228
NSN 6650-01-327-4122
NSN 6145-01-187-0772
NSN 6240-01-351-6729
NSN 5960-01-268-4356
NSN 5965-00-111-2073