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 6650-01-290-4001
NSN 5835-00-572-7445
NSN 5975-01-146-4796
NSN 6145-01-085-3984
NSN 5905-01-512-8137
NSN 5998-00-623-6661
NSN 6110-01-188-0385
NSN 4140-01-380-6690
NSN 6645-01-413-8003
NSN 6650-00-960-5040
NSN 5855-01-475-1987
NSN 6650-01-163-3758