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 6135-00-495-6862
NSN 6320-00-564-2772
NSN 5935-01-190-1333
NSN 5930-01-442-4249
NSN 5990-01-514-8030
NSN 5930-01-122-5083
NSN 6135-01-096-1452
NSN 5910-01-507-2360
NSN 5855-01-035-2866
NSN 6610-01-385-0691
NSN 6220-01-003-9126
NSN 5990-01-216-0148