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 6610-00-720-3237
NSN 6240-00-398-0740
NSN 6145-00-020-6708
NSN 6320-01-434-6861
NSN 4140-00-369-8053
NSN 5855-01-581-9697
NSN 5895-01-070-0900
NSN 5935-01-310-6425
NSN 5985-01-383-9867
NSN 6620-01-064-0366
NSN 4140-01-250-2465
NSN 5950-01-323-7764