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 5855-01-217-6857
NSN 6320-01-352-5653
NSN 5920-00-256-9367
NSN 5910-01-617-8284
NSN 5950-01-381-8686
NSN 5999-01-419-6983
NSN 5855-01-023-3727
NSN 5920-01-612-4771
NSN 5935-00-222-8599
NSN 5965-00-156-8562
NSN 6145-01-463-4075
NSN 7035-00-295-0451