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 6645-01-470-2951
NSN 5960-00-100-6045
NSN 6650-00-510-3786
NSN 5985-01-618-4559
NSN 6150-01-056-2095
NSN 6320-01-145-9013
NSN 5945-00-015-7942
NSN 6105-01-112-1012
NSN 5945-00-029-9130
NSN 5895-01-436-5223
NSN 6105-00-372-4716
NSN 6105-01-583-1231