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 5945-01-236-4533
NSN 5985-01-195-6965
NSN 5855-00-973-5717
NSN 6320-01-470-6826
NSN 5935-01-451-4238
NSN 5990-01-340-3575
NSN 5915-00-147-4535
NSN 6645-01-376-2336
NSN 5990-01-609-4793
NSN 5915-00-247-8546
NSN 4140-00-407-1326
NSN 5905-01-178-4195