APPROVED VENDOR Key Locking Insert: Thin Wall, 2 Keys, #2-56 Int Thrd Sz, #8-32 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 2 keys, #2-56 internal thread size and #8-32 external thread size, made from 18-8 stainless steel in a 10-pack. It meets…
SKU 3G-OTH-531749
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 2 keys, #2-56 internal thread size and #8-32 external thread size, made from 18-8 stainless steel in a 10-pack. It meets MS51830-101 standards, features a plain finish, coarse thread type, and is compatible with #8-32 tap size, with external thread fit 2A and internal thread fit 3B.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert, like the APPROVED VENDOR thin-wall model, is used to repair or reinforce tapped threads in metal assemblies. It provides a durable stainless steel thread that resists vibration loosening, commonly applied in aerospace, military, and industrial equipment where MS51830-101 compliance is required.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall insert has #2-56 internal thread size and #8-32 external thread size, with 2 keys, made from 18-8 stainless steel. It meets MS51830-101 standards, has a plain finish, coarse thread type, external thread fit 2A, internal thread fit 3B, and comes in a 10-pack (MPN 217-076283).
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies the APPROVED VENDOR key locking insert (MPN 217-076283) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this MS51830-101 compliant insert.
How to install a thin-wall key locking insert?
Installation requires tapping the hole to the specified external thread size (#8-32), then using a key locking insert tool to drive the insert until it is flush or slightly below the surface. The keys lock into the parent material to prevent rotation. Always follow the manufacturer's instructions for torque and depth.
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.









