350 X 2 1/2NB

$4.43
PCS Company's Extension Plug, 300 Series, Brass, Non-Interchange
The actual product may differ slightly from the image displayed on the website.
Product specifications
Series 300
Material Brass
L Overall Length 2-1/2
Hex Size 9/16
Hole Size 3/8
A Head Length 7/8
Pipe Thread Length 1-5/8
Pipe Size (NPT) 1/16
Non-Interchange Yes