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 2925-01-325-3974
NSN 5965-01-141-8785
NSN 5960-01-131-4086
NSN 5999-01-619-0623
NSN 6135-01-487-0773
NSN 6150-00-146-3746
NSN 5945-00-705-1515
NSN 5960-01-089-8155
NSN 5930-00-439-2524
NSN 5855-01-495-1750
NSN 5999-01-372-8585
NSN 5910-01-435-0743