List of Douglas A-4 Skyhawk operators, Military Wiki
AN4-22A Bolt - length 2-9/32 thread 1/4-28 - Military Fasteners
AN74A14 ENGINE BOLT - 1/4 X 1-17/32 INCH - Univair Aircraft
Hardware - Bolts - View All Bolts - Page 20 - Univair Aircraft
Hardware - Bolts - View All Bolts - Page 20 - Univair Aircraft
$2.34 Each, Length: 4-17/32in., grip: 4-1/16in., thread: 1/4-28, cadmium plated steel undrilled shank
Machine Bolt
AN4 Bolts, Undrilled 1/4-28, 1/4 Diameter
AN8-14 AIRFRAME BOLT - 1/2 X 1-19/32 INCH - Univair Aircraft
AN4-41A, BOLT
Hardware - Bolts - View All Bolts - Page 20 - Univair Aircraft
AN4 Bolts, Undrilled 1/4-28, 1/4 Diameter
445444-1, WEB SLIDE
AN4C13 AIRFRAME BOLT - 1/4 X 1-13/32 INCH - Univair Aircraft