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 6220-00-119-1507
NSN 5950-01-447-6105
NSN 5925-00-252-3811
NSN 5960-01-305-5449
NSN 7035-01-087-7727
NSN 5855-00-797-8217
NSN 5965-00-449-6974
NSN 5998-00-038-0574
NSN 5930-01-398-3822
NSN 5965-01-415-0872
NSN 5935-00-087-4053
NSN 6320-00-731-6134