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 5925-01-338-3494
NSN 6320-00-553-8427
NSN 5975-00-875-4082
NSN 6620-00-244-0965
NSN 5910-00-422-5333
NSN 6220-01-066-5529
NSN 5920-01-028-9309
NSN 6150-01-370-6435
NSN 6150-01-481-3735
NSN 6240-00-617-1719
NSN 5905-01-067-8360
NSN 5855-01-007-9541