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 5985-01-029-2405
NSN 6105-00-287-0989
NSN 6610-00-862-5901
NSN 6130-00-212-4883
NSN 5935-01-571-2339
NSN 5910-01-234-9798
NSN 5999-00-452-6389
NSN 6135-01-054-2462
NSN 5835-00-857-4486
NSN 7035-00-922-5700
NSN 5990-01-446-9118
NSN 5835-01-053-6209