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 6240-01-485-9452
NSN 5990-01-652-7373
NSN 5905-01-542-5579
NSN 5960-01-575-7818
NSN 5998-01-360-8592
NSN 5945-01-421-1808
NSN 6220-01-108-6108
NSN 5998-00-148-1636
NSN 5975-00-288-5877
NSN 4140-01-101-2422
NSN 5950-01-353-8607
NSN 5905-01-515-8222