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 5835-01-475-5714
NSN 5960-00-266-6741
NSN 5990-00-220-5689
NSN 5999-01-646-6091
NSN 5925-01-237-0074
NSN 4140-01-342-8677
NSN 5985-01-066-5927
NSN 5960-00-258-9292
NSN 5960-01-144-9183
NSN 5895-01-604-2838
NSN 6650-01-386-5787
NSN 5920-01-473-6465