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 5996-01-613-6927
NSN 6240-01-494-3695
NSN 2925-00-236-9986
NSN 6110-01-115-3871
NSN 5950-01-489-5305
NSN 5930-00-687-2288
NSN 7035-00-185-8683
NSN 6130-01-487-8699
NSN 5975-00-518-4450
NSN 6650-01-443-3668
NSN 6650-01-560-0321
NSN 5925-00-282-2459