These Standard Nylon Liquid Level Gages have centerlines from 25” to 36”.  The length between the center of the two bolts is referred to as the centerline.  The distance between the center of the tank holes must be within 1/32” of the centerline measurement. 

Items
B3642-11300BA1W

Standard Nylon Liquid Level Gage, 25" Centerline, Front Mount 1/2"-20

B3642-11300BB1W

Standard Nylon Liquid Level Gage, 25" Centerline, Back Mount 1/2"-20 with Nuts

B3642-11300BA2W

Standard Nylon Liquid Level Gage, 25" Centerline, Front Mount 1/2"-13

B3642-11300BA1W

Standard Nylon Liquid Level Gage, 25" Centerline, Front Mount M12 X 1.75

B3642-11300BN1W

Standard Nylon Liquid Level Gage, 25" Centerline, 1/4" Male NPT Adapters
Centerline N/A 25"
Mounting N/A 1/2"-20 N/A 1/2"-20 with Nuts N/A 1/2"-13 N/A M12 X 1.75 N/A 1/4" Male NPT Adapters
Feature N/A Standard
Max Pressure N/A 125 PSI
Max Temperature N/A 205° F
Seals N/A Buna-N
Sight Material N/A Nylon