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 5855-01-225-5855
NSN 6135-01-524-7621
NSN 6105-00-299-0673
NSN 6320-01-183-8196
NSN 6150-01-485-3478
NSN 2925-00-964-7128
NSN 5930-00-953-5836
NSN 6130-01-355-0103
NSN 6645-01-633-1852
NSN 5950-00-519-9515
NSN 5945-00-317-4812
NSN 5965-01-417-6315