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 6685-01-252-8887
NSN 5965-01-645-4101
NSN 5915-01-617-1005
NSN 4140-00-121-6746
NSN 5950-01-005-0111
NSN 5950-00-904-0962
NSN 5905-01-591-6317
NSN 5975-01-641-4177
NSN 6320-01-162-5977
NSN 5985-00-949-8425
NSN 5935-00-681-7996
NSN 4140-00-580-8508