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 5920-00-652-2018
NSN 6645-00-960-6594
NSN 6145-01-595-6821
NSN 6105-01-184-9504
NSN 6620-01-375-6741
NSN 6240-01-400-4212
NSN 5920-00-856-7040
NSN 5930-01-285-6727
NSN 6110-01-615-0093
NSN 5965-01-009-2238
NSN 5996-00-856-5810
NSN 6130-01-099-0643