BOLT, MACHINE – DOUBLE HEXAGON EXTENDED WASHER HEAD, CRES UNS S41800, .5000-20 UNJF AS9890B

DOI: https://doi.org/10.4271/AS9890B

Issuing Committee: E-25 General Standards for Aerospace and Propulsion Systems

Publisher: SAE International

Pages: 3

Rationale: ADD AS3062 FOR INCOMPLETE THREAD REQUIREMENTS, DELETE RADIUS REQUIREMENT AT BASE OF WRENCH PAD, RELOCATE RUNOUT REQUIREMENT FROM ACROSS FLATS TO ACROSS POINTS, ADD MINIMUM BEARING SURFACE REQUIREMENT, UPDATE STRAIGHTNESS CALLOUT, ADD SURFACE TEXTURE REQUIREMENTS, ADD RUNOUT REQUIREMENT ON BOLT SHANK, ADD DATUM REQUIREMENTS FOR SHORT BOLT LENGTHS, ADD EDGE DISTANCE EXCEPTION FOR HEAD MARKING, ADD NEW NOTE FOR USE OF EXISTING INVENTORY, UPDATE REFERENCES, FIGURE 1 REDRAWN, AND GENERAL EDITORIAL UPDATE.