Fuel Tank Tap and Sediment Bowl Assembly
This is the short version 
3/8" NPT Male Pipe thread for tank
 1/8" NPT Female thread for outlet
 Has gauze strainer at top of bowl
 Brass tap shaft and adjusting gland nut 
Fits many makes and models including
 Allis Chalmers
170, 175, 180, 185, 190,
D15, D17, D19, D21, WD45,
Farmall, Case IH
M, MD, 460, 560, 660, 656
John Deere M, 40, 320, 420, 430, 440, 1010Please check size of thread 
 
Replaces: 
AM3100T, 1370832R91, 70237946