APPROVED VENDOR Key Locking Insert: Thin Wall, 2 Keys, #4-40 Int Thrd Sz, #10-32 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 2 keys, #4-40 internal thread size, #10-32 external thread size, 18-8 stainless steel, plain finish, coarse thread, compatible…
SKU 3G-OTH-531750
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 2 keys, #4-40 internal thread size, #10-32 external thread size, 18-8 stainless steel, plain finish, coarse thread, compatible tap size #10-32, external thread fit 2A, internal thread fit 3B, meeting MS51830-102, supplied in a 10-pack (MPN 217-076284).
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, like the APPROVED VENDOR thin-wall type, is used to repair or reinforce threads in metal assemblies. It provides a strong, reusable stainless steel thread in softer materials, with keys that lock it in place to prevent rotation under vibration or load.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall insert has #4-40 internal thread size and #10-32 external thread size, 18-8 stainless steel, plain finish, coarse thread, 2 keys, external thread fit 2A, internal thread fit 3B, compatible tap size #10-32, and meets MS51830-102. Supplied in a 10-pack (MPN 217-076284).
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, customs clearance, and delivery to your facility. Contact us to source this MS51830-102 insert or any other industrial fasteners you need.
How to install a key locking insert?
To install a key locking insert, drill and tap the hole to the compatible tap size (#10-32 for this insert). Use a proper installation tool to thread the insert into the tapped hole until the keys are below the surface. The keys lock the insert in place; no adhesives are required.
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.









