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 5935-01-443-6288
NSN 6620-01-359-0476
NSN 5920-01-634-0250
NSN 5920-01-218-5742
NSN 6220-00-269-3783
NSN 5930-01-378-6976
NSN 5935-00-140-1751
NSN 5996-00-824-3381
NSN 6610-00-376-7689
NSN 5975-01-222-0594
NSN 6610-00-172-4445
NSN 5925-01-432-8431