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 6645-00-933-2170
NSN 6110-01-422-1572
NSN 5925-01-448-8500
NSN 5905-01-272-0890
NSN 6130-01-381-1046
NSN 6135-01-167-7604
NSN 5895-01-079-9730
NSN 6240-01-313-8253
NSN 5990-01-376-0405
NSN 5998-01-006-5624
NSN 6240-00-959-7025
NSN 5895-00-466-2271