DN20 ON 200 (3/4" ON 8" NB) NPT 3000# FS THREAD-O-LET A105

Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Sits on an 219.1mm diameter for welding
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification
Origin: European

Alternative terminology:
Threadolet, Thred-o-let, Olet, Weld on, Boss