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 6620-00-149-7557
NSN 6620-01-083-4672
NSN 5945-01-645-4780
NSN 5965-01-094-1796
NSN 6220-01-655-5802
NSN 6150-01-435-4483
NSN 6650-00-985-5332
NSN 6150-01-450-2874
NSN 7035-00-946-2642
NSN 6130-01-329-6494
NSN 2925-01-364-7926
NSN 5975-01-354-0639