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 5950-01-544-3631
NSN 6110-00-785-7927
NSN 5996-00-161-4202
NSN 5905-01-336-6641
NSN 6610-01-382-4974
NSN 6610-00-919-7490
NSN 5996-01-470-5522
NSN 5935-01-198-6087
NSN 6105-00-834-5234
NSN 5905-01-646-1255
NSN 5950-01-634-0677
NSN 6240-01-423-8642