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 6610-01-358-5102
NSN 4140-01-024-2292
NSN 6650-01-529-6721
NSN 5925-01-396-6093
NSN 5920-00-818-4186
NSN 6610-01-215-8489
NSN 5999-01-334-7960
NSN 6110-01-084-7555
NSN 5960-00-509-4549
NSN 5975-01-616-3673
NSN 6620-01-046-2337
NSN 2925-01-105-7850