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 5998-01-238-8457
NSN 4140-00-758-7686
NSN 5985-01-573-3161
NSN 5960-00-005-2424
NSN 6320-01-476-7702
NSN 6620-01-623-2530
NSN 5915-00-809-2035
NSN 5998-01-241-5424
NSN 6105-01-459-7902
NSN 5920-00-901-7419
NSN 2925-00-402-5582
NSN 5925-00-757-7283