Technical details

• The exact AN960 Revision 21 table designates this flat washer for a 1-1/8 in bolt or screw size, with 1.140 in nominal hole diameter, 1.875 in nominal outside diameter, and 0.016 in nominal thickness.
• The designation specifies Aluminum alloy 2024 (Alclad), T3 or T4 with Anodized per MIL-A-8625 or chemical surface treatment per MIL-C-5541, Class 1A.
• AN960 was canceled on 2016-01-15 and superseded by NAS1149; the archived geometry is dated design evidence only and does not establish current lot conformity, aircraft fitment, installation approval, or unconditional interchangeability.