OATEY Plug: Slot Drive Plug, 4 in, NPT Threaded, Brass (MPN 42745)
SKU 3G-OTH-477563
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Frequently Asked Questions
What is the OATEY 42745 slot drive plug used for?
The OATEY 42745 is a 4-inch NPT threaded brass plug used to seal high-pressure pipe openings in industrial plumbing, hydraulic, and pneumatic systems. It provides a reliable, leak-resistant closure for test ports, drain points, or unused connections in piping networks.
What are the specifications of the OATEY 42745 plug?
The OATEY 42745 is a 4-inch NPT threaded plug made of brass. It features a slot drive design for installation with a standard screwdriver. The brass construction offers corrosion resistance and durability for high-pressure applications up to the rated limits of NPT fittings.
Where to buy the OATEY 42745 plug worldwide?
3G Electric supplies the OATEY 42745 brass slot drive plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this threaded pipe fitting.
How to install a 4-inch NPT brass plug?
Apply a compatible thread sealant or PTFE tape to the male NPT threads of the OATEY 42745 plug. Hand-tighten into the female port, then use a screwdriver on the slot drive to snug the plug. Avoid overtightening to prevent thread damage or cracking.
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Common applications for OATEYOATEY Products
3G Electric supplies OATEY threaded high-pressure pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.






