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 5945-01-206-4520
NSN 5925-01-046-3751
NSN 6610-00-087-8096
NSN 6105-00-334-9178
NSN 5855-01-277-1663
NSN 5985-00-547-3427
NSN 6610-01-125-9899
NSN 5930-01-158-7608
NSN 5935-01-442-8093
NSN 6240-00-905-8789
NSN 5905-01-493-8691
NSN 6610-01-338-5338