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 5965-00-513-1352
NSN 5935-01-283-3314
NSN 5920-00-097-7648
NSN 5915-01-415-6307
NSN 5930-01-412-8416
NSN 2925-00-157-1602
NSN 4140-01-039-9874
NSN 5855-01-279-9938
NSN 6240-01-322-3055
NSN 6240-00-509-2485
NSN 7035-00-800-0770
NSN 6240-01-535-9398