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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5990-01-588-3999
NSN 5999-01-215-4363
NSN 5910-00-138-5576
NSN 6685-01-386-6547
NSN 4140-00-226-9807
NSN 5925-00-081-9135
NSN 6130-00-308-2768
NSN 5910-01-652-7956
NSN 6220-01-134-5329
NSN 4140-00-468-5342
NSN 5965-01-389-1068
NSN 5990-01-253-1332