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 6610-01-617-9788
NSN 5920-01-462-9025
NSN 6135-00-932-3136
NSN 7035-00-585-2113
NSN 5998-00-378-4096
NSN 6620-00-176-5722
NSN 6320-01-519-8767
NSN 5960-01-130-6413
NSN 5930-00-764-4687
NSN 5965-01-323-7225
NSN 5905-00-792-9183
NSN 6240-00-807-2508