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

APPROVED VENDOR Cap: Cap, 3 in, NPT Threaded, Malleable Iron (MPN 5XTH8) - Medium-Pressure Threaded Pipe Fittings
APPROVED VENDORMedium-Pressure Threaded Pipe Fittings

APPROVED VENDOR Cap: Cap, 3 in, NPT Threaded, Malleable Iron (MPN 5XTH8)

SKU 3G-OTH-462205

Brand
APPROVED VENDOR
Item
Cap: Cap, 3 in, NPT Threaded, Malleable Iron
Category
Medium-Pressure Threaded Pipe Fittings
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

APPROVED VENDOR
Manufacturer Part Number
5XTH8
Type
3 in, NPT Threaded, Malleable Iron
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

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the APPROVED VENDOR 5XTH8 cap used for?

This 3-inch NPT threaded cap seals the end of a medium-pressure pipe line in industrial systems. It is commonly used in steam, water, gas, and air applications where a durable, leak-proof closure is needed. The malleable iron construction provides strength and resistance to mechanical stress.

What are the specifications of the APPROVED VENDOR 5XTH8 cap?

The APPROVED VENDOR 5XTH8 is a 3-inch NPT threaded pipe cap made from malleable iron. It is designed for medium-pressure service and conforms to standard dimensional requirements for threaded fittings. The part number is 5XTH8.

Where to buy the APPROVED VENDOR 5XTH8 cap worldwide?

3G Electric supplies the APPROVED VENDOR 5XTH8 cap to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine pipe fittings across 14 departments, including plumbing and pneumatics.

How to install a 3-inch NPT threaded pipe cap?

Apply a suitable thread sealant or PTFE tape to the male pipe threads. Hand-tighten the cap onto the pipe, then use a wrench for an additional 1-2 turns to achieve a secure seal. Avoid over-tightening to prevent damage to the fitting or pipe threads.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR medium-pressure threaded pipe fittings. 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 APPROVED VENDOR

View all APPROVED VENDOR parts
APPROVED VENDOR Metal Pipe Straight: Union, 300 psi @ 77°F, 1/8 in x 1/8 in, Malleable Iron (MPN 511-700HC). Key specifications — Maximum Operating Pressure: 300 psi @ 77 °F.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Union, 300 psi @ 77°F, 1/8 in x 1/8 in, Malleable Iron (MPN 511-700HC). Key specifications — Maximum Operating Pressure: 300 psi @ 77 °F.
APPROVED VENDOR Metal Pipe Elbow: Straight, 150 psi, 1 1/2 in x 3/4 in, Malleable Iron (MPN 793FL1). Key specifications — Maximum Operating Pressure: 150 psi.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Elbow: Straight, 150 psi, 1 1/2 in x 3/4 in, Malleable Iron (MPN 793FL1). Key specifications — Maximum Operating Pressure: 150 psi.
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, 3/4 in x 3/4 in, Malleable Iron (MPN 5P799)
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, 3/4 in x 3/4 in, Malleable Iron (MPN 5P799)
APPROVED VENDOR Metal Pipe Tee: Tee (run x run x branch), 3/8 in x 3/8 in x 3/8 in, Malleable Iron (MPN 5P843)
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Tee: Tee (run x run x branch), 3/8 in x 3/8 in x 3/8 in, Malleable Iron (MPN 5P843)
APPROVED VENDOR Metal Pipe Straight: Straight, 3/4 in x 1/2 in, Malleable Iron (MPN 1XKV7)
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Straight: Straight, 3/4 in x 1/2 in, Malleable Iron (MPN 1XKV7)
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, 300 psi, 1/2 in x 3/8 in, Malleable Iron (MPN 783YE3). Key specifications — Maximum Operating Pressure: 300 psi.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Elbow: 90° Elbow, 300 psi, 1/2 in x 3/8 in, Malleable Iron (MPN 783YE3). Key specifications — Maximum Operating Pressure: 300 psi.
APPROVED VENDOR Plug: Plug, 4 in, NPT Threaded, Malleable Iron (MPN 2WJ76)
APPROVED VENDOR
APPROVED VENDOR Plug: Plug, 4 in, NPT Threaded, Malleable Iron (MPN 2WJ76)
APPROVED VENDOR Metal Pipe Tee: Tee (run x run x branch), 300 psi, 3/8 in x 3/8 in x 1/2 in (MPN 783YE9). Key specifications — Maximum Operating Pressure: 300 psi.
APPROVED VENDOR
APPROVED VENDOR Metal Pipe Tee: Tee (run x run x branch), 300 psi, 3/8 in x 3/8 in x 1/2 in (MPN 783YE9). Key specifications — Maximum Operating Pressure: 300 psi.