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 5990-01-472-2447
NSN 5855-01-068-8915
NSN 5945-01-394-6123
NSN 5905-01-442-8338
NSN 5996-01-459-8014
NSN 5920-00-942-0027
NSN 5855-00-610-4052
NSN 5930-00-190-5786
NSN 5925-01-545-5763
NSN 6130-01-132-1317
NSN 5975-01-214-3516
NSN 6650-01-657-7864