1/2" NPT Galvanized Steel Pipe Nipple Assortment Sch 40, box of 66 assorted Pipe Size - Nominal: 1/2 in Item: Galvanized Steel Pipe Nipple Assortment Pipe Fitting Material: Galvanized Steel Pipe Connection Type: Threaded on Both Ends Material - Pipe: Galvanized Steel Pipe Schedule: 40 Basic Pipe Fitting Material: Metal Basic Pipe Fitting Shape: Nipple Includes: (6) 1-1/2 in, (6) 2 in, (6) 2-1/2 in, (6) 3 in, (6) 3-1/2 in, (6) 4 in, (6) 4-1/2 in, (6) 5 in, (6) 5-1/2 in, (6) 6 in Nipples, (6) Close Pipe Weld Type: Electric Resistance Weld Pipe Thread Type: MNPT x MNPT Standards: Manufacturing Conforms to ASTM A-733, Material Conforms to ASTM A-53 Type E, Grade A, Threads meet ANSI ASME B1.20.1 Max. Pressure: 150 psi @ 150 Degrees F Specific Pipe Fitting Shape: Nipple Pipe Size (Fittings): 1/2" Pipe Fitting Connection Type: MNPT x MNPT Pipe Fitting Schedule/Class: Schedule 40 Threading: NPT Thread Type: NPT Pipe Material: Galvanized Steel Included Lengths: (6) 1 1/2 in, (6) 2 1/2 in, (6) 2 in, (6) 3 1/2 in, (6) 3 in, (6) 4 1/2 in, (6) 4 in, (6) 5 1/2 in, (6) 5 in, (6) 6 in, (6) Close Connection Type: NPT Number of Pieces: 66 Fitting Compatibility: Schedule 40 Metal Pipe Construction: Welded Nominal Pipe Size: 1/2 in Thread Configuration: Threaded on Both Ends Schedule: Schedule 40 Finish/Coating: Galvanized Material: Steel Pressure Level: Low Pressure (100-299 psi) Country of Origin (subject to change): China