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 6110-00-225-1726
NSN 6645-01-165-3785
NSN 5945-00-584-2046
NSN 5915-00-299-2105
NSN 5855-01-624-7115
NSN 6220-00-910-9001
NSN 5895-01-444-6326
NSN 6620-01-062-2505
NSN 6220-01-227-4152
NSN 5960-00-303-3675
NSN 6650-00-166-7160
NSN 5975-01-430-2459