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 6685-01-295-1807
NSN 5910-01-579-2614
NSN 6685-01-617-3372
NSN 6320-00-845-3261
NSN 7035-01-501-5938
NSN 5930-00-574-7509
NSN 5998-01-462-2087
NSN 5835-00-841-2650
NSN 2925-01-137-4062
NSN 6610-00-734-5976
NSN 5999-01-644-7903
NSN 5945-00-035-9251