AN970-5 - Washer

Part number AN970-5 is a large-area (fender) flat washer manufactured to the AN970 military/aerospace standard. These washers provide a substantially larger bearing surface than standard AN960 washers and are commonly used on thin sheet materials, wood, fiberglass, composites, and non-structural aircraft applications to prevent pull-through.

Measured Dimensions (from image)

• Inside Diameter (ID): 9.16 mm (0.361 in)
• Outside Diameter (OD): 34.71 mm (1.367 in)
• Thickness: 1.69 mm (0.067 in)

Physical Characteristics

• Type: Large-area flat washer (fender washer)
• Standard: AN970
• Nominal Bolt Size: AN5 (5/16 in)
• Shape: Oversized outside diameter for increased bearing area