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 5999-01-034-9467
NSN 6150-00-920-9589
NSN 5990-01-177-2838
NSN 6240-00-965-6066
NSN 5960-00-660-3669
NSN 4140-00-463-6166
NSN 5920-00-434-4230
NSN 5998-00-877-3710
NSN 5910-01-429-1059
NSN 6105-01-533-1541
NSN 5910-01-329-7851
NSN 5855-00-165-3093