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 6320-00-164-4087
NSN 6645-00-067-7070
NSN 5915-01-424-0767
NSN 5985-00-724-4693
NSN 6150-00-867-0649
NSN 5910-01-464-5028
NSN 5960-01-237-2336
NSN 5999-01-158-4379
NSN 5990-01-463-5400
NSN 6105-00-075-5977
NSN 5920-00-444-2127
NSN 5895-01-500-7227