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 6105-01-476-7470
NSN 6130-01-460-8885
NSN 6105-01-310-5089
NSN 5835-01-514-5275
NSN 6650-01-145-3731
NSN 5930-01-052-7298
NSN 5990-00-167-2692
NSN 6150-00-842-7264
NSN 5915-00-356-0189
NSN 5996-01-368-2906
NSN 5930-01-211-6679
NSN 2925-01-434-6945