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 5945-00-452-5235
NSN 6620-01-581-8549
NSN 6130-00-900-1916
NSN 5965-00-408-5501
NSN 5990-00-269-2226
NSN 5996-01-650-0067
NSN 6135-00-284-1108
NSN 5945-01-495-8076
NSN 5990-00-254-4825
NSN 5996-01-156-4092
NSN 5996-01-088-6685
NSN 6685-01-106-2715