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 5960-01-268-8674
NSN 6620-01-476-0498
NSN 6240-01-029-3316
NSN 5985-00-324-7396
NSN 5855-00-304-7163
NSN 6645-00-634-9317
NSN 6110-01-523-7686
NSN 5996-01-242-9710
NSN 5998-01-059-6371
NSN 5999-00-189-4647
NSN 6240-00-929-0585
NSN 5855-00-779-2854