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 5960-01-347-6791
NSN 5999-00-340-0743
NSN 5910-01-534-3944
NSN 6240-00-671-2281
NSN 6620-01-028-6374
NSN 6320-01-384-3850
NSN 6320-01-457-2805
NSN 5905-01-633-7443
NSN 6135-01-521-0378
NSN 2925-01-542-1865
NSN 4140-01-246-7041
NSN 5985-00-856-7693