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 5915-01-199-5605
NSN 6645-00-248-5434
NSN 6145-00-281-8161
NSN 5895-00-781-8636
NSN 5905-01-400-0963
NSN 4140-01-437-6794
NSN 6650-00-552-8377
NSN 5998-01-390-5767
NSN 6650-01-152-3547
NSN 5855-00-918-1622
NSN 5965-00-539-7778
NSN 4140-00-152-7092