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 5990-00-498-5934
NSN 6220-01-501-6528
NSN 5910-00-150-8653
NSN 6130-01-292-2590
NSN 5985-01-181-5627
NSN 6135-01-422-1440
NSN 5975-00-758-3938
NSN 2925-00-347-7893
NSN 6145-00-691-3609
NSN 6645-01-561-6807
NSN 6110-00-008-1766
NSN 6685-01-004-1888