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 6650-01-145-5663
NSN 7035-00-104-7613
NSN 6135-01-539-1167
NSN 5990-00-647-4008
NSN 6320-01-425-1417
NSN 4140-01-317-3126
NSN 5895-01-590-7051
NSN 5945-00-245-3601
NSN 5925-00-525-4037
NSN 5990-01-426-7350
NSN 6145-01-379-8662
NSN 6135-00-162-2437