Windsock-Mounting Pipe | McMaster-Carr

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315 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Standard-Wall Galvanized Steel Threaded Pipe Nipples and Pipe

Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.

Welded pipe has a weld bead on the inside.

For technical drawings and 3-D models, click on a part number.

NPT Threaded on Both Ends—1/8 to 1 Pipe Size

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
Fittings: Use Class 125 or 150 galvanized iron and galvanized steel
Flanges: Use Class 150 galvanized steel

1/4 Pipe Size
Lg.	Construction		Each
1 1/2"	Welded	00000000	00000
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	000000	0000
5"	Welded	00000000	0000
5 1/2"	Welded	000000	0000
6"	Welded	00000000	0000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	00000
72"	Welded	0000000	00000
126"	Welded	0000000	000000
3/8 Pipe Size
1 1/2"	Welded	00000000	0000
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	000000	0000
5"	Welded	00000000	0000
5 1/2"	Welded	000000	0000
6"	Welded	00000000	0000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	00000
72"	Welded	0000000	00000
126"	Welded	0000000	000000
1/2 Pipe Size
1 1/2"	Welded	00000000	0000
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	000000	0000
5"	Welded	00000000	0000
5 1/2"	Welded	000000	0000
6"	Welded	00000000	0000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	00000
72"	Welded	0000000	00000
126"	Welded	0000000	000000

3/4 Pipe Size
Lg.	Construction		Each
1 1/2"	Welded	00000000	00000
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	000000	0000
5"	Welded	00000000	0000
5 1/2"	Welded	0000000	0000
6"	Welded	00000000	0000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	00000
72"	Welded	0000000	00000
126"	Welded	0000000	000000
1 Pipe Size
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	0000000	0000
5"	Welded	00000000	0000
5 1/2"	Welded	0000000	0000
6"	Welded	00000000	0000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	00000
72"	Welded	0000000	00000
126"	Welded	0000000	000000

NPT Threaded on Both Ends—1 1/4 to 6 Pipe Size

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
Fittings: Use Class 125 or 150 galvanized iron and galvanized steel
Flanges: Use Class 150 galvanized steel

1 1/4 Pipe Size
Lg.	Construction		Each
2"	Welded	00000000	00000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	0000
4"	Welded	00000000	0000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	00000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	000000
1 1/2 Pipe Size
2"	Welded	00000000	0000
2 1/2"	Welded	00000000	0000
3"	Welded	00000000	0000
3 1/2"	Welded	00000000	00000
4"	Welded	00000000	00000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	000000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	000000
2 Pipe Size
2 1/2"	Welded	00000000	00000
3"	Welded	00000000	00000
3 1/2"	Welded	00000000	00000
4"	Welded	00000000	00000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	00000
18"	Welded	00000000	00000
20"	Welded	00000000	00000
22"	Welded	00000000	00000
24"	Welded	0000000	00000
36"	Welded	0000000	00000
48"	Welded	0000000	000000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	000000
2 1/2 Pipe Size
3"	Welded	00000000	00000
3 1/2"	Welded	00000000	00000
4"	Welded	00000000	00000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	00000
16"	Welded	00000000	000000
18"	Welded	00000000	000000
20"	Welded	00000000	000000
22"	Welded	00000000	000000
24"	Welded	0000000	000000
36"	Welded	0000000	000000
48"	Welded	0000000	000000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	000000

3 Pipe Size
Lg.	Construction		Each
3"	Welded	00000000	000000
3 1/2"	Welded	00000000	00000
4"	Welded	00000000	00000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	00000
12"	Welded	00000000	00000
14"	Welded	00000000	000000
16"	Welded	00000000	000000
18"	Welded	00000000	000000
20"	Welded	00000000	000000
22"	Welded	00000000	000000
24"	Welded	0000000	000000
36"	Welded	0000000	000000
48"	Welded	0000000	000000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	000000
4 Pipe Size
4"	Welded	00000000	00000
4 1/2"	Welded	0000000	00000
5"	Welded	00000000	00000
5 1/2"	Welded	0000000	00000
6"	Welded	00000000	00000
6 1/2"	Welded	00000000	00000
7"	Welded	00000000	00000
8"	Welded	00000000	00000
9"	Welded	00000000	00000
10"	Welded	00000000	00000
11"	Welded	00000000	000000
12"	Welded	00000000	000000
14"	Welded	00000000	000000
16"	Welded	00000000	000000
18"	Welded	00000000	000000
20"	Welded	00000000	000000
22"	Welded	00000000	000000
24"	Welded	0000000	000000
36"	Welded	0000000	000000
48"	Welded	0000000	000000
60"	Welded	0000000	000000
72"	Welded	0000000	000000
126"	Welded	0000000	00000000
6 Pipe Size
4"	Welded	00000000	000000
4 1/2"	Welded	0000000	000000
5"	Welded	00000000	000000
5 1/2"	Welded	0000000	000000
6"	Welded	00000000	000000
6 1/2"	Welded	00000000	000000
7"	Welded	00000000	000000
8"	Welded	00000000	000000
9"	Welded	00000000	000000
10"	Welded	00000000	000000
11"	Welded	00000000	000000
12"	Welded	00000000	000000
14"	Welded	00000000	000000
16"	Welded	00000000	000000
18"	Welded	00000000	000000
20"	Welded	00000000	000000
22"	Welded	00000000	000000
24"	Welded	0000000	000000
36"	Welded	0000000	00000000
48"	Welded	0000000	00000000
60"	Welded	0000000	00000000
72"	Welded	0000000	00000000
126"	Welded	0000000	00000000