Threading Seal, Compatible Threader Grainger Part Number 3RY43, 4NCV3, Compatible Threader Manufacturer Part Number 41910, 84097, 91142, 91322, 93287, 96497, Compatible Threader Series 300, Product Type Oil Seal, Fits Brand Ridgid, For Use With 535 A Pipe and Bolt Threading Machine, 535 Manual Pipe and Bolt Threading Machine, 535 Pipe and Bolt Threading Machine, Impact Rated No, Number of Pieces 2, Package Quantity 2