APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 3/4"-10 Int Thrd Sz, 1 1/8"-12 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. key-locking insert with 4 keys, a 3/4"-10 internal thread size, and a 1 1/8"-12 external thread size. This plain, 10-pack insert is made from 18-8…
SKU 3G-OTH-531763
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. key-locking insert with 4 keys, a 3/4"-10 internal thread size, and a 1 1/8"-12 external thread size. This plain, 10-pack insert is made from 18-8 material, meets MS51830-104L standards, and features 2A external and 3B internal thread fits.
Frequently Asked Questions
What is an APPROVED VENDOR key locking insert used for?
This heavy-wall key locking insert is used to repair or reinforce threaded holes in metal assemblies, particularly in military-spec applications. The 4 keys lock the insert in place to prevent rotation under vibration. It meets MS51830-104L standards and is made from 18-8 stainless steel.
What are the specifications of the APPROVED VENDOR 217-077309 key locking insert?
This 10-pack insert has a 3/4"-10 internal thread and a 1 1/8"-12 external thread, with 2A external and 3B internal thread fits. It is a heavy-wall, plain finish type with 4 keys, made from 18-8 material, and meets MS51830-104L standards. Compatible tap size is 1-1/8"-12.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source and deliver genuine mil. spec. inserts like the 217-077309 to meet your repair and maintenance needs.
How to install a key locking insert?
Installation requires tapping the hole to the compatible tap size (1-1/8"-12 for this insert), then threading the insert into the tapped hole using a key locking insert tool. The 4 keys are then set into the parent material to lock the insert. Follow standard mil. spec. installation practices for best results.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









