Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
USA INDUSTRIALS Pipe Nipple: 3/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40 - Schedule 40 Low Pressure Pipe & Pipe Nipples
USA INDUSTRIALSSchedule 40 Low Pressure Pipe & Pipe Nipples

USA INDUSTRIALS Pipe Nipple: 3/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40

The USA INDUSTRIALS Pipe Nipple (SKU 407HJ9) is a Schedule 40 low-pressure pipe nipple with a 3/4 in nominal pipe size, 4 in length, and welded construction. It features a Male BSPT x Male NPT connection type and is…

SKU 3G-OTH-468406

Brand
USA INDUSTRIALS
Item
Pipe Nipple: 3/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40
Category
Schedule 40 Low Pressure Pipe & Pipe Nipples
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZUSA-PF-21157
Type
Male BSPT x Male NPT, Schedule 40, Welded
Lg
4 in
Connection Type
Male BSPT x Male NPT
Maximum Operating Pressure
125 psi @ 72°F
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The USA INDUSTRIALS Pipe Nipple (SKU 407HJ9) is a Schedule 40 low-pressure pipe nipple with a 3/4 in nominal pipe size, 4 in length, and welded construction. It features a Male BSPT x Male NPT connection type and is rated for a maximum operating pressure of 125 psi @ 72°F.

Frequently Asked Questions

What is a USA INDUSTRIALS Pipe Nipple used for?

This Schedule 40 pipe nipple connects BSPT and NPT threaded systems in low-pressure fluid or air lines. It is commonly used in industrial plumbing, pneumatic circuits, and hydraulic return lines where a 3/4 in nominal size and 125 psi @ 72°F rating are sufficient.

What are the specifications of the USA INDUSTRIALS Pipe Nipple ZUSA-PF-21157?

The USA INDUSTRIALS Pipe Nipple has a 3/4 in nominal pipe size, 4 in length, Schedule 40 wall, welded construction, and Male BSPT x Male NPT connection type. Maximum operating pressure is 125 psi @ 72°F. The manufacturer part number is ZUSA-PF-21157.

Where to buy a USA INDUSTRIALS Pipe Nipple worldwide?

3G Electric supplies the USA INDUSTRIALS Pipe Nipple ZUSA-PF-21157 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Schedule 40 low-pressure pipe nipple.

How to select a pipe nipple for BSPT to NPT connections?

Ensure the nominal size matches both thread types—here 3/4 in Male BSPT x Male NPT. Verify pressure rating (125 psi @ 72°F) and schedule (40). Use thread sealant on NPT threads and PTFE tape on BSPT threads. Confirm length (4 in) fits your assembly.

Used in

Common applications for USA INDUSTRIALS
Chemical processing — USA INDUSTRIALS FEP-encapsulated silicone cam-and-groove gaskets for corrosion-resistant sealing in coupling systems.
Food and beverage — USA INDUSTRIALS food-grade FKM cam-and-groove gaskets for sanitary fluid transfer in processing lines.
Water treatment — USA INDUSTRIALS 304 stainless steel gate valves for isolation in piping systems handling non-potable water.
Oil and gas — USA INDUSTRIALS brass ball valves for manual shut-off in low-pressure gas or fluid lines.
Pharmaceutical manufacturing — USA INDUSTRIALS 316 stainless steel globe valves for precise flow control in clean-room environments.
General industrial MRO — USA INDUSTRIALS polypropylene cam-and-groove fittings for temporary hose connections in plant maintenance.

USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS schedule 40 low pressure pipe & pipe nipples. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from USA INDUSTRIALS

View all USA INDUSTRIALS parts →
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 12 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21154). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 12 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21154). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21152). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21152). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 2 in Nominal Pipe Size, Male BSPT x Male NPT, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21174). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 2 in Nominal Pipe Size, Male BSPT x Male NPT, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21174). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 2 in Nominal Pipe Size, Male BSPT x Male NPT, 2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21171). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 2 in Nominal Pipe Size, Male BSPT x Male NPT, 2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21171). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21166). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21166). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21151). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21151). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21164). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21164). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21169). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1 1/2 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21169). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.