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 5895-01-180-0487
NSN 6240-01-578-1914
NSN 5920-01-170-2208
NSN 6135-01-278-9717
NSN 5930-00-565-0046
NSN 5990-00-856-9208
NSN 6610-01-590-7222
NSN 5960-01-252-8821
NSN 5915-01-426-8862
NSN 6240-00-563-5846
NSN 6320-00-194-4252
NSN 5835-01-555-8963