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 5998-01-100-1116
NSN 5920-01-186-6335
NSN 5915-01-418-1843
NSN 5855-01-357-4335
NSN 6320-01-280-1014
NSN 2925-01-364-7926
NSN 5925-01-487-8190
NSN 6110-01-448-1191
NSN 5996-00-767-4877
NSN 2925-01-434-2502
NSN 5920-01-186-0109
NSN 5945-00-957-8377