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 6620-01-517-0014
NSN 5925-00-290-4451
NSN 5960-01-192-7710
NSN 5999-01-370-4184
NSN 5910-00-449-0515
NSN 6145-00-199-8066
NSN 6150-01-359-4876
NSN 6130-00-865-6558
NSN 5920-01-451-6501
NSN 6240-01-167-1060
NSN 6150-00-550-7706
NSN 5999-01-458-1858