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 6135-01-432-6201
NSN 4140-00-155-8012
NSN 5935-01-119-8465
NSN 6685-01-500-1810
NSN 5990-01-553-1094
NSN 6685-00-946-8219
NSN 6130-00-950-9212
NSN 5930-01-395-2053
NSN 6320-00-270-8222
NSN 6620-01-519-7234
NSN 5915-00-615-9537
NSN 5985-01-476-7652