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 6620-01-146-6968
NSN 5996-01-645-8232
NSN 5975-01-236-3354
NSN 6610-01-343-2609
NSN 5990-01-069-8649
NSN 6150-00-288-0751
NSN 5835-01-213-0833
NSN 2925-01-510-9378
NSN 6135-01-310-9866
NSN 5925-01-534-4866
NSN 5915-00-518-0851
NSN 5905-01-482-0797