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 6320-01-524-9488
NSN 6320-01-183-8196
NSN 5950-00-201-7921
NSN 5960-00-140-7778
NSN 4140-00-053-9499
NSN 6610-01-644-2546
NSN 6240-01-460-2097
NSN 5935-01-189-7863
NSN 6105-00-806-2695
NSN 6240-01-535-6101
NSN 6135-01-230-4399
NSN 5985-01-164-6753