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 5935-01-142-3152
NSN 6105-01-056-4473
NSN 7035-01-381-7622
NSN 5920-00-072-1492
NSN 2925-01-156-9205
NSN 5999-00-045-3691
NSN 2925-00-862-8550
NSN 6650-00-155-3673
NSN 6135-01-110-9470
NSN 5905-00-233-7113
NSN 5920-01-650-1820
NSN 5990-00-288-1820