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 7035-01-056-4603
NSN 5985-00-271-9502
NSN 5999-01-361-2664
NSN 5910-01-435-7686
NSN 5945-00-021-1076
NSN 6135-01-020-3805
NSN 5998-01-388-4049
NSN 6240-01-258-5829
NSN 6150-00-516-8445
NSN 5930-01-425-1327
NSN 5950-01-407-4481
NSN 5915-00-816-6866