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 5945-01-071-7647
NSN 6150-00-952-7006
NSN 6645-01-160-1545
NSN 2925-00-611-6711
NSN 5930-01-580-2125
NSN 5950-00-378-9959
NSN 6220-01-153-7943
NSN 6220-01-491-9803
NSN 5915-00-417-3834
NSN 5930-01-499-0671
NSN 6320-01-578-6006
NSN 5935-00-597-5055