42FLW820 Extended Washer Self-Locking Nut, 0.525 in Dia, 1/2-20, UNJF-3B, 0.549 in H

TECHNICAL INFORMATION
• FAA-TSO Approved
• QQ-P-416 Type 1 Class 2

SPECIFICATIONS
• Diameter: 0.525 in
• Thread Direction: Right Hand
• Width Across Flat: 0.616 to 0.627 in
• Height: 0.549 in
• Nut Type: Double Hexagonal
• Material: Alloy Steel
• Thread Size: 1/2-20
• Finish: Cadmium
• Thread Type: UNJF-3B