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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5965-01-150-6315
NSN 5855-01-447-1887
NSN 6240-01-528-7873
NSN 5835-01-576-9013
NSN 6320-01-497-3116
NSN 5999-01-469-1522
NSN 6145-00-810-6131
NSN 5965-00-866-3371
NSN 5996-01-383-3271
NSN 5925-00-406-6398
NSN 5945-01-634-0588
NSN 5998-00-782-5298