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 5915-00-012-1593
NSN 5910-01-650-1735
NSN 6145-01-530-7171
NSN 6645-01-527-7430
NSN 5950-01-139-6830
NSN 6145-01-406-3387
NSN 5925-00-936-3909
NSN 5930-01-591-8123
NSN 4140-01-391-6462
NSN 5925-00-752-8292
NSN 4140-01-224-0435
NSN 5950-01-438-0877