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 5945-01-029-7680
NSN 6620-01-122-8886
NSN 6320-00-456-0836
NSN 5910-01-510-4795
NSN 5855-01-324-3756
NSN 5835-01-433-8670
NSN 6610-01-302-2073
NSN 5925-01-562-7337
NSN 5985-00-258-1809
NSN 5950-00-851-9600
NSN 5935-00-111-0453
NSN 6645-01-116-7713