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 5950-01-290-3829
NSN 6240-00-821-5125
NSN 6150-01-378-4103
NSN 5910-00-481-4093
NSN 6240-00-183-0750
NSN 6620-01-158-6570
NSN 5960-01-649-1341
NSN 6610-00-827-8959
NSN 6105-01-178-6876
NSN 5975-01-129-2882
NSN 6685-01-497-8732
NSN 6645-00-701-4606