NAS6607D21 Drilled Shank Close Tolerance Bolt, 7/16-20, UNJF, 0.694 in L Thread, 3A

TECHNICAL INFORMATION

• FAA-STD Approved

SPECIFICATIONS

• Dash Number: 21
• Head Diameter: 0.678 to 0.69 in
• Head Height: 0.219 to 0.234 in
• Head Type: Hexagonal
• Thread Length: 0.694 in
• Thread Size: 7/16-20
• Thread Type: UNJF
• Grip Size: 1.312 in
• Thread Class: 3A
• Thread Direction: Right Hand
• Tensile Strength: 160000 psi
• Locking Mechanism: Non-Locking
• Diameter: 7/16 in
• Length: 2.006 in
• Grade: 4140
• Material: Alloy Steel
• Finish: Cadmium
• Suitable For Use With: Helicopter
• Domestic/Import: Domestic