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 5910-01-422-9760
NSN 2925-01-298-2674
NSN 5960-00-195-6435
NSN 5835-01-424-0054
NSN 6220-01-498-1369
NSN 5996-00-213-7121
NSN 5910-01-036-3043
NSN 5935-01-179-3269
NSN 5998-00-493-9450
NSN 5835-01-321-7895
NSN 5960-00-594-0824
NSN 5935-01-082-9654