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 5996-01-552-8081
NSN 6645-01-015-3684
NSN 5985-00-008-6754
NSN 5985-00-177-3633
NSN 5855-00-951-6483
NSN 5996-00-959-6511
NSN 6135-01-407-0594
NSN 6620-00-394-1812
NSN 6130-01-462-0662
NSN 5920-01-554-9804
NSN 5905-01-595-9501
NSN 5835-00-593-8511