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 6645-00-099-6913
NSN 5855-01-450-2333
NSN 5855-00-361-0167
NSN 5910-01-531-0859
NSN 5985-00-467-1838
NSN 5920-01-476-0758
NSN 6620-01-431-9176
NSN 2925-00-824-2186
NSN 6220-01-544-7998
NSN 5855-01-258-6180
NSN 5935-00-053-0860
NSN 5985-01-362-6859