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 6320-01-539-4789
NSN 6645-01-379-2769
NSN 5905-01-023-8416
NSN 6240-00-422-1278
NSN 5930-01-113-7287
NSN 6650-01-252-5428
NSN 5975-00-917-7165
NSN 5999-01-432-0133
NSN 5990-01-632-0969
NSN 6105-01-378-6604
NSN 4140-00-258-2424
NSN 6150-00-395-2867