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 5930-01-463-2526
NSN 5920-01-070-8843
NSN 6130-00-147-6739
NSN 6650-00-539-7298
NSN 5985-01-600-0750
NSN 5990-00-832-2557
NSN 6145-01-659-8485
NSN 5998-00-727-4426
NSN 5855-00-403-1031
NSN 5855-00-014-5008
NSN 5945-01-441-6458
NSN 5996-00-438-7532