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 5960-00-976-4871
NSN 6620-01-481-1358
NSN 5950-01-178-6306
NSN 5965-00-451-0518
NSN 5998-01-227-2764
NSN 5895-01-100-4638
NSN 5930-00-054-9121
NSN 6685-01-170-0174
NSN 5999-00-228-5980
NSN 6685-00-361-1798
NSN 5985-01-114-1969
NSN 5935-01-333-7295