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 5920-01-499-9553
NSN 5905-01-516-5366
NSN 5990-01-179-5625
NSN 5985-00-222-9934
NSN 5905-00-245-1647
NSN 5965-00-626-5346
NSN 5990-01-598-8769
NSN 5996-00-552-9902
NSN 5985-01-452-2988
NSN 5960-01-481-8051
NSN 5920-01-158-4517
NSN 5999-00-210-3890