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APPROVED VENDOR Cap: Cap, 1/4 in, NPT Threaded, Malleable Iron (MPN 5P899) - Medium-Pressure Threaded Pipe Fittings
APPROVED VENDORMedium-Pressure Threaded Pipe Fittings

APPROVED VENDOR Cap: Cap, 1/4 in, NPT Threaded, Malleable Iron (MPN 5P899)

SKU 3G-OTH-461904

Brand
APPROVED VENDOR
Item
Cap: Cap, 1/4 in, NPT Threaded, Malleable Iron
Category
Medium-Pressure Threaded Pipe Fittings
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
5P899
Type
1/4 in, NPT Threaded, Malleable Iron
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Technical Documents

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

Frequently Asked Questions

What is an APPROVED VENDOR 1/4 in NPT threaded cap used for?

This malleable iron cap seals the end of a 1/4-inch NPT threaded pipe in medium-pressure industrial systems. It is commonly used in pneumatic, hydraulic, and steam lines across machining, material handling, and HVAC applications to block flow or protect threads.

What are the specifications of the APPROVED VENDOR cap 5P899?

The cap has a 1/4-inch NPT thread, is made of malleable iron, and is designed for medium-pressure threaded pipe fittings. The manufacturer part number is 5P899. It provides a durable, corrosion-resistant seal for industrial piping systems.

Where to buy an APPROVED VENDOR 1/4 in NPT cap in worldwide?

3G Electric supplies the APPROVED VENDOR 1/4 in NPT threaded cap (5P899) to worldwide locations. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install an APPROVED VENDOR malleable iron pipe cap?

Apply pipe thread sealant or PTFE tape to the male NPT threads. Hand-tighten the cap onto the pipe end, then use a wrench for an additional 1-2 turns to achieve a leak-free seal. Avoid overtightening to prevent cracking the malleable iron.

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.

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