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 6105-01-442-7801
NSN 5835-01-541-9991
NSN 6110-01-488-9153
NSN 5965-00-710-5764
NSN 2925-00-251-0105
NSN 5998-00-925-2992
NSN 5835-01-432-8801
NSN 7035-01-141-8076
NSN 5985-00-433-3945
NSN 5996-01-011-8840
NSN 6320-00-405-2348
NSN 6240-01-587-9080