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: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg - Schedule 40 Low Pressure Pipe & Pipe Nipples
USA INDUSTRIALSSchedule 40 Low Pressure Pipe & Pipe Nipples

USA INDUSTRIALS Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg

The USA INDUSTRIALS Pipe Nipple is a Schedule 40 Low Pressure Pipe & Pipe Nipple with a 1 1/4 in nominal pipe size, 4 in length, and a Male BSPT x Male NPT connection type. It is welded and rated for a maximum…

SKU 3G-OTH-468399

Brand
USA INDUSTRIALS
Item
Pipe Nipple: 1 1/4 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg
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-21165
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 is a Schedule 40 Low Pressure Pipe & Pipe Nipple with a 1 1/4 in nominal pipe size, 4 in length, and a Male BSPT x Male NPT connection type. It is welded and rated for a maximum operating pressure of 125 psi @ 72°F.

Frequently Asked Questions

What is a USA INDUSTRIALS Schedule 40 pipe nipple used for?

This pipe nipple connects male BSPT to male NPT threaded fittings in low-pressure piping systems. It is commonly used in industrial plumbing, air, water, and gas lines where a 1 1/4 in nominal pipe size and 125 psi @ 72°F rating are sufficient.

What are the specifications of the USA INDUSTRIALS ZUSA-PF-21165 pipe nipple?

This Schedule 40 welded pipe nipple has a 1 1/4 in nominal pipe size, 4 in length, and male BSPT x male NPT connections. It is rated for a maximum operating pressure of 125 psi @ 72°F. The manufacturer part number is ZUSA-PF-21165.

Where to buy USA INDUSTRIALS pipe nipples worldwide?

3G Electric supplies USA INDUSTRIALS pipe nipples and handles full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial solutions provider, we source and deliver genuine parts like the ZUSA-PF-21165 to your facility.

How to select the right pipe nipple for a BSPT to NPT connection?

Match the nominal pipe size (here 1 1/4 in) and ensure the thread types (male BSPT x male NPT) match your existing fittings. Verify the pressure rating (125 psi @ 72°F) meets your system requirements. For mixed-thread applications, this USA INDUSTRIALS nipple provides a direct transition.

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, 2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21150). 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, 2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21150). 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, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21153). 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, 6 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21153). 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, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21173). 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, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21173). 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, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21168). 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, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21168). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21161). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1 in Nominal Pipe Size, Male BSPT x Male NPT, 4 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21161). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 1 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21160). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 1 in Nominal Pipe Size, Male BSPT x Male NPT, 3 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21160). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
Pipe Nipple: 3/4 in Nominal Pipe Size, Male BSPT x Male NPT, 1 1/2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21155). Key specifications — Brand: USA INDUSTRIALS; Maximum Operating Pressure: 125 psi @ 72°F; Connection Type: Male BSPT x Male NPT.
USA INDUSTRIALS
Pipe Nipple: 3/4 in Nominal Pipe Size, Male BSPT x Male NPT, 1 1/2 in Lg, Schedule 40, Welded (MPN ZUSA-PF-21155). 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, 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.