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 5996-00-242-3816
NSN 5915-01-516-7371
NSN 4140-00-720-4993
NSN 6620-00-106-9658
NSN 6645-01-263-9782
NSN 5975-01-105-4248
NSN 5999-01-141-8516
NSN 5910-01-181-5677
NSN 6110-00-718-6875
NSN 6645-01-211-6502
NSN 5925-01-419-6618
NSN 5999-01-534-6117