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 5920-01-417-7306
NSN 6110-01-267-0613
NSN 5990-01-455-8035
NSN 5935-01-577-4497
NSN 6130-01-424-0299
NSN 5930-01-459-8803
NSN 7035-01-630-2598
NSN 6620-01-491-1434
NSN 5950-01-401-5321
NSN 5935-01-113-8096
NSN 6320-00-369-1333
NSN 6145-01-490-5654