National Aerospace Standard - Steel Bolt, Shear | NAS6603-4

• Thread Class:  3A
•  Thread Direction:  Right-Hand
•  Thread Length:  0.320 Inches Minimum And 0.370 Inches Maximum
•  Fastener Length:  0.580 Inches Minimum And 0.610 Inches Maximum
•  Head Style:  Dished Hexagon
•  Head Height:  0.110 Inches Minimum And 0.125 Inches Maximum
•  Width Between Flats:  0.367 Inches Minimum And 0.376 Inches Maximum
•  Grip Diameter:  0.1885 Inches Minimum And 0.1895 Inches Maximum
•  Nominal Thread Diameter:  0.190 Inches
•  Grip Length:  0.240 Inches Minimum And 0.260 Inches Maximum
•  Thread Quantity Per Inch:  32
•  Minimum Tensile Strength:  160000 Pounds Per Square Inch
•  Hardness Rating:  36.0 Rockwell C Minimum And 40.0 Rockwell C Maximum Overall
•  Criticality Code Justification:  Feat
•  Surface Finish:  32.0 Microinches Bearing Surface Of Head
•  Surface Finish:  32.0 Microinches Grip
•  Surface Finish:  32.0 Microinches Threads
•  Special Features:  The Shear Bolt Is A Non-Nuclear Item But Has Close Tolerance Fit Requirements
•  Material:  Steel Comp E4340 Or Steel Comp 8740 Overall
•  Material Document And Classification:  Mil-S-5000 Mil Spec 1St Material Response Or Mil-S-6049 Mil Spec 2Nd Material Response Or Ams6322 Mil Spec 2Nd Material Response Overall
•  Surface Treatment:  Cadmium And Chromate Overall
•  Surface Treatment Document And Classification:  Qq-P-416,Type 2,Class 2 Fed Spec Single Treatment Response Overall