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 6320-01-341-9126
NSN 5998-01-126-5042
NSN 5960-00-960-6805
NSN 6685-01-016-8514
NSN 6650-01-517-9452
NSN 5945-01-310-9728
NSN 6650-01-348-2407
NSN 6105-00-643-4975
NSN 6130-01-079-8008
NSN 5920-00-536-1842
NSN 6135-00-497-0491
NSN 4140-01-322-7476