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 6620-01-240-3361
NSN 5990-00-443-2743
NSN 5960-01-009-5983
NSN 5950-00-371-3756
NSN 6240-01-512-4547
NSN 5975-00-234-4868
NSN 6320-01-039-5891
NSN 5930-01-166-0062
NSN 5985-00-299-3510
NSN 5895-00-907-3751
NSN 5990-00-199-0081
NSN 6220-01-282-9149