This device is for airplane modelers who have their engines and fuel lines in hard to get at places such as cowlings.
Features: One-piece valve assy. installed into airplane with convenient fueling probe for refilling
Overall length (front to back): 13/16 (20mm)
Mounting nut diameter (what is seen on outside of cowl): 1/4 (6.35mm)
Hole size (drilled through cowl): 3/8 (9.4mm)
Length inside cowling: 1/2 (12.7mm)
Note: Will require drilling 3/8 hole for acceptance of valve assembly. This will only work with gas/oil fuel or smoke oils. For glow fuel easy fueler use GPMQ4160.