Model 
 Item No. Diamond plate aperture 
 D1 NPT 
 Thread 
 NPT Thread 
 Maximum qualifying 
 Aperture 
 Clamping ring D2 
 Thread B1 
 Bonding length L1 
 Length 
 L2 Packing head 
 Length 
 L3 for cable 
 OD 
 Cable Range Packaging 
 Packing NPT-12 20.7 NPT 1 / 2 "14.9 12.7 12.5 18.8 18.4 10 ~ 14 50pcs NPT-34 25.6 NPT 3 / 4" 18.5 16.5 14.6 17.8 22.3 13 ~ 18 NPT-1 33.0 NPT 1 "26.0 23.7 14.7 20.6 27.2 18 ~ 25 25pcs NPT-114 41.7 NPT 1 1 / 4 "32.0 29.0 17.9 22.4 31.4 22 ~ 32 NPT-112 NPT 1 1 / 2" NPT-2 NPT 2 " 
 Protection class: IP68-10 bar pressure (tightened parts, and use the 0 - ring) 
 Ambient temperature: Static: -40 ℃ to +100 ℃, short time to +120 ℃ 
 Material: UL certified the NYLON66 (black), fireproof grade 94V-2 dynamic: -20 ℃ to +80 ℃, short time to +100 ℃ 
 Color: Gray Black 
 Seal material: NBR