APPROVED VENDOR Locknut: Locknut, 300 psi @ 77°F, 1 1/4 in, NPT Threaded
The APPROVED VENDOR Locknut is a medium-pressure threaded pipe fitting, type 300 psi @ 77°F, 1 1/4 in, NPT Threaded, Malleable Iron (MPN 510-906HC). It has a maximum operating pressure of 300 psi @ 77 °F.
SKU 3G-OTH-462521
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Product Description
The APPROVED VENDOR Locknut is a medium-pressure threaded pipe fitting, type 300 psi @ 77°F, 1 1/4 in, NPT Threaded, Malleable Iron (MPN 510-906HC). It has a maximum operating pressure of 300 psi @ 77 °F.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an APPROVED VENDOR locknut used for?
An APPROVED VENDOR locknut secures threaded pipe connections in medium-pressure industrial systems. It is commonly used in plumbing, HVAC, and process piping to prevent loosening under vibration or thermal cycling. 3G Electric supplies this fitting as part of its broad industrial offering across 14 departments.
What are the specifications of the APPROVED VENDOR locknut 510-906HC?
The APPROVED VENDOR locknut model 510-906HC is a 1 1/4 in NPT threaded fitting made of malleable iron. It has a maximum operating pressure of 300 psi at 77 °F. This medium-pressure pipe fitting is designed for reliable sealing in threaded connections.
Where to buy APPROVED VENDOR locknut 510-906HC worldwide?
3G Electric sources and delivers the APPROVED VENDOR locknut 510-906HC to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this medium-pressure pipe fitting.
How to install an APPROVED VENDOR locknut?
To install an APPROVED VENDOR locknut, hand-thread it onto the male NPT pipe end, then tighten with a wrench to the manufacturer's recommended torque. Use thread sealant on the male threads for leak-free performance. Avoid over-tightening to prevent damage to the malleable iron fitting.
Used in
Common applications for APPROVED VENDORAPPROVED 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.









