1/2 BSP x 18G Sealing Washers - Copper - Pack of 25
Value Collection - 1/2″ Screw Standard Flat Washer: Copper, Plain Finish - 67494682 - MSC Industrial Supply
Copper Washer 1/2 ID | BrakeConnect
COPPER WASHER 5/16 I.D. 1/2 O.D. 1/32 THICK
Copper Gasket for 1/2 in. ISO Parallel (Gauge) Thread (RG) Fitting | Spare Parts and Accessories | Tube Fittings and Adapters | Fittings | All Products | Swagelok