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 5930-00-306-4181
NSN 5945-01-045-2023
NSN 5935-01-072-9212
NSN 6145-01-611-7640
NSN 5915-01-617-5382
NSN 5985-01-343-2281
NSN 5990-01-221-6361
NSN 6650-01-463-4235
NSN 6645-00-862-2904
NSN 6135-01-168-2944
NSN 5935-01-256-9637
NSN 5996-00-525-1777