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 6610-01-201-7943
NSN 6135-01-495-0933
NSN 7035-00-142-9076
NSN 6320-00-593-0379
NSN 6110-01-481-3942
NSN 5965-01-498-2710
NSN 5915-01-368-5150
NSN 6145-00-459-4899
NSN 6240-00-837-7653
NSN 5945-01-044-5825
NSN 4140-01-044-0144
NSN 2925-00-684-7708