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 5945-00-633-5910
NSN 5910-01-096-9853
NSN 6645-01-238-8660
NSN 6110-00-874-1055
NSN 6620-01-494-9858
NSN 5965-01-589-3968
NSN 5950-00-098-9139
NSN 6240-01-147-5115
NSN 5975-01-056-5036
NSN 5855-00-189-6066
NSN 5835-00-975-6538
NSN 6220-01-011-8989