Manufacturer Part Number: Z9105SS|Washer Type|StandardMaterial|Stainless SteelMaterial Grade|18-8Screw Size|1-1/4Thread Size|Inside Diameter (Inch)|1-9/32Inside Diameter (Decimal Inch)|1.2813Inside Diameter (mm)|Outside Diameter (mm)|Outside Diameter (Inch)|2-1/2Outside Diameter (Decimal Inch - 4 Decimals)|2.5000Thickness (mm)|Thickness (Inch)|9/32Thickness (Decimal Inch - 4 Decimals)|0.2813Standards|Finish Coating|PlainFastener Standard|Military Specification|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|