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 5960-01-132-2975
NSN 5975-01-430-7136
NSN 6130-01-641-7201
NSN 6240-01-112-7576
NSN 6135-00-686-4777
NSN 5925-01-489-2791
NSN 7035-01-546-5490
NSN 6105-01-368-3283
NSN 5990-01-546-1649
NSN 6685-00-527-6545
NSN 5960-00-660-3669
NSN 6320-01-180-9908