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 5930-00-166-9766
NSN 6150-01-485-7310
NSN 5960-00-567-2380
NSN 5998-01-634-0604
NSN 6145-00-228-0742
NSN 6610-01-414-1755
NSN 5996-00-827-2094
NSN 5895-00-825-3099
NSN 6135-00-299-6918
NSN 6105-01-006-7069
NSN 5905-00-356-9025
NSN 5950-01-494-2028