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
