McMaster 4549K804 Standard Wall Galvanized Steel Threaded Pipe Nipple, Threaded Both Ends, 3 NPT, 12" Long, Sch 40 60FE78 It also helps preserve and It also helps preserve and protect parts during shipping or storage Standards Not Rated Container Type Pail Color Amber Lubricant NSF Rating Not Rated Specific Gravity OSHA CFR 1910 Pressure Rating Low Pressure Wall Thickness Rating Standard Shape Straight Fitting Type Pipe Threading Threaded on Both Ends Fitting Connection NPT Male Pipe Size 3" Length 12" Construction Welded Pipe Schedule 40 Material Galvanized Steel Class 150 For Fitting Pressure Class 125 068" OD 3 1 2" Wall Thickness 0