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 5910-01-408-5970
NSN 5945-01-510-3530
NSN 5950-00-093-3097
NSN 5925-01-139-0882
NSN 6620-01-633-8443
NSN 6145-01-191-1529
NSN 5910-01-160-3073
NSN 6620-01-608-8548
NSN 5975-01-369-9840
NSN 5935-01-384-7864
NSN 5895-00-661-1773
NSN 5935-00-945-6384