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 5990-01-054-4255
NSN 7035-01-359-1761
NSN 5985-00-603-5704
NSN 5996-00-925-1953
NSN 6650-01-303-7964
NSN 6320-01-015-9856
NSN 5935-00-257-9421
NSN 5905-01-270-5208
NSN 6610-00-736-9117
NSN 5945-01-452-5473
NSN 6685-01-318-5042
NSN 5945-01-581-2181