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 for spark-ignition internal combustion piston engines, nesoi
NSN 6220-01-281-8848
NSN 5910-00-177-2640
NSN 6240-01-463-8276
NSN 4140-01-528-2531
NSN 5998-00-586-3068
NSN 5998-01-472-3131
NSN 2925-01-512-4682
NSN 5855-01-417-3250
NSN 6220-01-172-9369
NSN 6135-01-177-3552
NSN 5945-01-094-6343
NSN 5975-00-343-0370