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 5855-00-560-0110
NSN 4140-00-825-7506
NSN 5945-01-528-8295
NSN 5998-01-613-2212
NSN 5910-01-555-7751
NSN 5945-01-036-5384
NSN 6620-01-236-0138
NSN 5855-01-109-6433
NSN 5910-01-245-1401
NSN 6110-00-858-6770
NSN 5930-00-826-6915
NSN 6150-01-386-5799