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 5905-00-354-1777
NSN 4140-01-158-4139
NSN 6240-00-185-2023
NSN 6105-01-471-8085
NSN 5935-00-313-3919
NSN 5965-01-371-1297
NSN 5950-01-346-1696
NSN 5925-00-159-1544
NSN 6620-01-395-5214
NSN 2925-01-141-7563
NSN 6320-01-039-5891
NSN 5925-00-650-1069