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 4140-01-345-4212
NSN 5925-00-246-4645
NSN 6320-01-607-2978
NSN 5950-01-355-1595
NSN 6610-01-311-5872
NSN 6650-01-656-9398
NSN 5985-00-613-2249
NSN 6150-00-364-1948
NSN 5895-00-097-7238
NSN 6610-01-607-4525
NSN 6135-01-572-9340
NSN 5855-01-145-8973