SKU: 35299697702

5" NH (NST) Female x 4" NPSH Male Adapter Aluminum

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Description

5" NH (NST) Female x 4" NPSH Male Adapter AluminumSpecifications Female Side 1 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4 NPSH Male (National Pipe Straight Hose) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236

Specifications

  • Female Side 1 – 5” NH (NST) Female (National Hose / National Standard Thread)
  • Male Side 2 – 4” NPSH Male (National Pipe Straight Hose)
  • Working Pressure – 300PSI Max
  • Test Pressure – 1000PSI Max
  • Material – T-6061 Aluminum (Aircraft Grade)
  • Finishing – Anodized (99.9% Lead Free)
  • NFPA Standards - 1963, 4.12, 5.1-5.6.4 (Corrosion Resistance)
  • Military Standards – MIL-A-8625 Type III, Class 1
  • Industrial Standards – International ASTM B221
  • UL Labs Standards – 236 – 8.1 Through 8.2
  • USDA Standards – 5100-190C Tables 1-4
  • Origin – Made In The USA
  • Warranty – 5 Year Manufacture

Industrial & Fire 5” NH (NST) Female x 4" NPSH Male Fitting Anodized Aluminum

Need a female to male adapter?  Look no further, this adapter will get the job done in any situation.  Adapters manufactured in the USA with hard-coated anodized aluminum are made to withstand abrasion, are anti-corrosive, and can withstand the highest pressures.  You can trust that these adapters will meet and EXCEED your industrial and municipal needs. 

More About Female To Male Adapters

A pipe & fire hose fitting adapter is used to connect straight pipe or hose sections, to adapt to different sizes or shapes, and for other purposes. 

Pipe & hose adapter is a length of straight or tapered pipe with male or female threads on both ends. It is one of the most popular category of pipe & hose fittings. It is a connector or a coupling threaded on both ends. Pipe adapters are used to allow items with different threads to be connected together. They are used to fit straight / tapered end hose or pipes. A combination of pipe adapters are recommended for low-pressure discharge and suction service for various compatible liquids and not for compressible products like air, nitrogen or steam. 

If the two ends of a coupling are different (e.g. one NST/NH threaded and one NPT threaded), then it is usually referred to as an adapter. 

A pipe coupling is any fitting or device used to join two or more pipes in such a way that continuity is maintained between them. The body of a pipe coupling is typically made of the same or similar materials as those used to construct the pipes it joins. They may be rigid or flexible depending on the amount of movement the pipe is subjected to and may per permanent or removable fixtures. A pipe coupling can be stepped or reduced in internal diameter to accept pipes of different sizes, be T or cross shaped to join more than two pipes, or angled to form bends. Pipe couplings may also include peripheral features or equipment such as inspection openings, flow meters, or valves.

Our Guarantee

We 100% guarantee our brass adapters.  If you are unhappy with your purchase you can return it within 30 days NO QUESTIONS ASKED!

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SKU: 35299697702

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Doughboy
Lowell, US
★★★★★ 5
Good Stuff!
Format: Paperback
Very good material for anyone considering marriage and even couples that are already married. However, it would be best to study this book prior to being married. Dr. Chapman has been providing quality material for many years. I started utilizing his material as an aid in counseling when it was on VHS. Like I said, he's been around. While this book is not an end all be all, it definitely has some great advice and insight within its pages. It works very well in conjunction with "The 5 love languages" and "The 5 languages of apology", also offered by Dr. Chapman. There are free online quizzes and other info that can also be utilized as mentioned in the book that will enrich everything else he discusses in the book. There are several applicable true to life stories inside that help you understand each point he is attempting to relay and makes for an easy read by keeping interest up. I also ordered the audio version and found it easier to listen to and take notes for self enrichment, as well as notes for guiding others into what I hope will be lasting marriages.
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Reviewed in the United States on February 20, 2026
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Lydia Wormsley
Grantham, US
★★★★★ 5
Great book!
Format: Paperback
Wonderful, helpful, insightful. Points out many of the key "sore spots" that can sour a marriage if left unmanaged, and how to address them. Very helpful, whether as a premarital counseling book, a book for the happily married couple, or even for the unhappily married couple willing to set their relationship right. Must read!
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Reviewed in the United States on February 10, 2026
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MISTY C.
West Palm Beach, US
★★★★★ 5
Great buy
Format: Paperback
Good read.
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Reviewed in the United States on May 28, 2026
J
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Jenna H
Lowell, US
★★★★★ 4
Good discussion book to eliminate conflict between couples
Format: Kindle
Use this book as a checklist of things you should discuss with your partner - especially if you're considering or are in a long-term relationship. It explains each topic, why it's a likely source of conflict, how to prevent the conflicts, and includes questions for discussion between partners. Understanding and discussing these topics may not feel romantic and fun, and some of the conversations may be challenging for couples who aren't accustomed to such discussions. Do it anyway though because it will eliminate future conflicts before the conflicts even begin and make your relationship run smoother, last longer, and be a source of relaxation and contentment for you both. I'm speaking from experience here. If you are new to the study of this topic, this book will be extremely valuable for you. If you've already studied interpersonal relationships, preemptive conflict resolution, and collaborative negotiation tactics, it's still a great checklist of topics to discuss with your partner. I'm on this end of the spectrum, hence 4 of 5 stars because I'm familiar with the author's other work and this book didn't contain much new content. As a compact, all-in-one, relationship discussion guide though, it's great and worth reading and having on hand for future reference for new relationships or for when new conflicts crop up.
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Reviewed in the United States on March 3, 2018
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Johanna
Los Angeles, US
★★★★★ 5
Easy to read
Format: Paperback
Very interesting book!
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Reviewed in the United States on April 20, 2026

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