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 6650-01-105-0209
NSN 5935-01-503-6753
NSN 4140-00-951-5395
NSN 6650-01-168-1659
NSN 5920-00-738-8074
NSN 5835-01-026-0670
NSN 5935-01-539-8738
NSN 5930-01-634-0659
NSN 5855-01-274-5311
NSN 6135-01-562-6582
NSN 5960-00-449-3358
NSN 5895-01-351-2191