251 X 4NB

$3.24
PCS Company's Extension Plug, 200 Series, Brass, Non-Interchange
The actual product may differ slightly from the image displayed on the website.
Product specifications
Series 200
Material Brass
L Overall Length 4
Hex Size 7/16
Hole Size 1/4
A Head Length 1
Pipe Thread Length 1-5/8
Pipe Size (NPT) 1/8
Non-Interchange Yes