Model # 521-943HN

Internet #100122624

Store SKU #103799

null 3/4 in. x 1/2 in. Black Malleable Iron Hex Bushing
0032888407053

3/4 in. x 1/2 in. Black Malleable Iron Hex Bushing

$2.20 /each

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Product Overview

Connect pipes of different sizes with the Mueller Global 3/4 in. x 1/2 in. black iron hex bushing. Used in gas, oil, and air applications, the reliable hex bushing meets ASTM and ASME standards and has ANSI B 1.20.1 approved threads. The bushing's Class 150 lb. malleable iron construction makes it durable.

  • Inserts into female threading of a fitting to reduce size of a pipe or fitting
  • For use with gas, oil, and air applications
  • Malleable iron class 150 lb.
  • Meets ASTM and ASME standards
  • Threads comply with ANSI b 1.20.1
  • Note: Product may vary by store.

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3/4 in. x 1/2 in. Black Malleable Iron Hex Bushing
3/4 in. x 1/2 in. Black Malleable Iron Hex Bushing

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1 answer

Does this have 1/2-28 internal threads and 3/4-16 external threads?

This question is from 3/4 in. x 1/2 in. Black Malleable Iron Hex Bushing
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April 5, 2015
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Chicago, IL
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Home Improvement Profile: DIYer
June 24, 2016
Answer: 
No. This sizing you see is NPT, typically used for Natural Gas pipe. National Pipe Thread Taper (NPT) is a U.S. standard for tapered threads used on threaded pipes and fittings. In contrast to straight threads that are found on a bolt, a taper thread will pull tight and therefore make a fluid-tight seal.
The Thread Pitch of 1/2" NPT and 3/4" NPT is 14 TPI (threads per inch). The Pipe Nominal Outside Read More
No. This sizing you see is NPT, typically used for Natural Gas pipe. National Pipe Thread Taper (NPT) is a U.S. standard for tapered threads used on threaded pipes and fittings. In contrast to straight threads that are found on a bolt, a taper thread will pull tight and therefore make a fluid-tight seal.
The Thread Pitch of 1/2" NPT and 3/4" NPT is 14 TPI (threads per inch). The Pipe Nominal Outside Diameter is 0.84" for 1/2" NPT and 1.05" for 3/4" NPT. Read Less
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  • 2016-10-31 T00:10:54.229-05:00
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Customer Reviews

Rated 3.0 out of 5 by 1 reviewer.
Rated 3.0 out of 5.0 by Most likely not I think the 1/2 is 1/2-9. It's no more than a 13. If you take standard 1/2" bolt the threads will not match in spacing and your best bet is to go with a smaller size and rework it to the right size. But you are much better off looking for something that is special made,it will end up a lot cheaper. And what could you be do to need threads that are so tight. September 13, 2015
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