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 5915-01-252-2828
NSN 5895-01-106-4161
NSN 5895-01-191-3459
NSN 5999-01-597-2197
NSN 6130-00-035-3898
NSN 6320-01-203-4303
NSN 5975-00-726-0140
NSN 6610-01-459-8690
NSN 5930-00-644-4476
NSN 2925-01-532-2477
NSN 7035-01-622-7514
NSN 5985-01-235-0958