Grainger Plug: Square Drive Cored Plug
The APPROVED VENDOR Plug is a 2 1/2 in, BSPT Threaded, Class 125, C89833 Brass low-pressure threaded pipe fitting (MPN ZUSA-PF-10571). It has a maximum operating pressure of 125 psi @ 72° F.
SKU 3G-OTH-461487
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Product Description
The APPROVED VENDOR Plug is a 2 1/2 in, BSPT Threaded, Class 125, C89833 Brass low-pressure threaded pipe fitting (MPN ZUSA-PF-10571). It has a maximum operating pressure of 125 psi @ 72° F.
Frequently Asked Questions
What is the APPROVED VENDOR ZUSA-PF-10571 plug used for?
This 2 1/2 in BSPT threaded brass plug seals low-pressure pipe openings in industrial systems. It is rated Class 125 and handles maximum 125 psi at 72° F, making it suitable for water, air, and oil lines across machining, HVAC, and material handling applications.
What are the specifications of the APPROVED VENDOR ZUSA-PF-10571 plug?
The plug is a 2 1/2 in, BSPT threaded, Class 125 fitting made from C89833 brass. Its maximum operating pressure is 125 psi at 72° F. The manufacturer part number is ZUSA-PF-10571, and it is supplied by APPROVED VENDOR.
Where to buy the APPROVED VENDOR ZUSA-PF-10571 plug worldwide?
3G Electric supplies the APPROVED VENDOR ZUSA-PF-10571 plug to global customers. As a sourcing partner across 14 industrial departments, we handle logistics, customs clearance, and delivery worldwide. Contact us for availability and lead time.
How to install a BSPT threaded brass plug?
Apply a compatible thread sealant to the BSPT male threads, then hand-tighten the plug into the female port. Use a wrench for final snugging—avoid overtightening to prevent cracking the C89833 brass. Always verify the system is depressurized before installation.
Grainger Products
3G Electric supplies Grainger low-pressure threaded pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

