APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 3/8"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 4 keys, 3/8"-24 internal thread size, and 1/2"-13 external thread size. It meets MS51832-108 standards, is made from 18-8…
SKU 3G-OTH-531757
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 4 keys, 3/8"-24 internal thread size, and 1/2"-13 external thread size. It meets MS51832-108 standards, is made from 18-8 material, and comes in a plain finish, 10-pack.
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 a key locking insert used for?
A key locking insert is used to repair or reinforce tapped threads in metal assemblies, providing a strong, reusable thread in softer materials. The APPROVED VENDOR thin-wall insert with 4 keys meets MS51832-108 standards for Mil. Spec. applications, ensuring secure fastening in demanding industrial environments.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall insert has a 3/8"-24 internal thread and 1/2"-13 external thread, with 4 keys and a plain finish. It is made from 18-8 material, meets MS51832-108 standards, and has external thread fit 2A and internal thread fit 3B. It comes in a 10-pack.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine Mil. Spec. inserts like the MS51832-108 thin-wall type, ensuring you get the correct part for your application.
How to install a key locking insert?
To install, tap the hole to the specified compatible tap size (1/2"-13 for this insert), then drive the insert into the tapped hole using a key locking insert tool until the keys engage. Ensure the insert is flush or slightly below the surface. Use thread locking compound for vibration resistance in critical assemblies.
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.









