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 5910-01-440-9558
NSN 6320-01-292-2232
NSN 2925-01-455-2558
NSN 6130-01-505-5760
NSN 5975-01-264-1259
NSN 5925-01-158-5008
NSN 6135-01-392-8344
NSN 6220-01-557-6638
NSN 5915-01-502-5840
NSN 4140-00-283-6843
NSN 6610-01-646-9101
NSN 5965-01-135-1336