NAS1580A4T8 Close Tolerance Screw, 1/4 in Dia, 0.903 in L, UNJF, Right Hand, 3A

TECHNICAL INFORMATION
• FAA-STD Approved
• National Aeronautical Standard
• QQ-P-416 Type 2 Class 2

SPECIFICATIONS
• Diameter: 1/4 in
• Length: 0.903 in
• Thread Type: UNJF
• Thread Length: 0.378 to 0.428 in
• Thread Direction: Right Hand
• Thread Class: 3A
• Head Diameter: 0.464 to 0.507 in
• Head Type: 100 deg Flat Countersunk
• Thread Size: 1/4-28
• Grip Size: 0.49 to 0.51 in
• Drive Type: Torque Set
• Material: Alloy Steel
• Finish: Cadmium/Chromate
• Domestic/Import: Domestic