APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 4 Keys, 3/8"-24 Int Thrd Sz, 5/8"-11 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring 4 keys, a 3/8"-24 internal thread size, and a 5/8"-11 external thread size. Supplied as a plain finish in…
SKU 3G-OTH-531742
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Product Description
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring 4 keys, a 3/8"-24 internal thread size, and a 5/8"-11 external thread size. Supplied as a plain finish in a 10-pack, this inch-system insert meets MS51832-204L standards, with 18-8 material, 2A external and 3B internal thread fits, and a compatible tap size of 5/8"-11.
Frequently Asked Questions
What is a Mil. Spec. key-locking insert used for?
A Mil. Spec. key-locking insert, like the APPROVED VENDOR Extra Heavy Wall type, is used to repair or reinforce threaded holes in metal components, typically in aerospace, defense, and industrial machinery. The keys lock the insert in place to prevent rotation under vibration or load.
What are the specifications of the APPROVED VENDOR 217-077536 key-locking insert?
The APPROVED VENDOR 217-077536 is a 10-pack of plain, Extra Heavy Wall key-locking inserts with 4 keys. It has a 3/8"-24 internal thread and a 5/8"-11 external thread, meets MS51832-204L standards, is made of 18-8 stainless steel, and has 2A external and 3B internal thread fits.
Where to buy APPROVED VENDOR key-locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key-locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these Mil. Spec. inserts to your facility, ensuring compliance with MS51832-204L standards for critical thread repair applications.
How to install a key-locking insert like the APPROVED VENDOR 217-077536?
To install, drill and tap the hole to the compatible tap size (5/8"-11 for this insert), then use a key-locking insert installation tool to thread the insert in. The 4 keys are then set into the parent material using a key-setting tool to lock the insert against rotation.
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.









