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 5960-01-444-2205
NSN 6650-01-515-0391
NSN 5945-01-590-8739
NSN 7035-01-498-4895
NSN 5945-00-443-0003
NSN 5930-01-525-4360
NSN 5960-00-192-4503
NSN 5998-00-725-2013
NSN 6610-01-633-8931
NSN 6240-01-500-1714
NSN 4140-00-147-3707
NSN 5990-01-053-5115