APPROVED VENDOR Key Locking Insert: Thin Wall, 2 Keys, #6-32 Int Thrd Sz, #12-28 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall, mil-spec insert with #6-32 internal and #12-28 external thread sizes, supplied in a 10-pack. It features 2 keys, 18-8 stainless steel construction, a plain…
SKU 3G-OTH-531618
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall, mil-spec insert with #6-32 internal and #12-28 external thread sizes, supplied in a 10-pack. It features 2 keys, 18-8 stainless steel construction, a plain finish, and coarse threads, meeting MS51830-107 standards. The insert has a #12-28 compatible tap size, 2A external and 3B internal thread fits, and is inch-system measured.
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, wear-resistant internal thread. The APPROVED VENDOR thin-wall insert with two keys is designed for aerospace and mil-spec applications where vibration resistance and secure fastening are critical.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall insert has #6-32 internal and #12-28 external threads, 18-8 stainless steel, two keys, plain finish, and meets MS51830-107. It uses a #12-28 compatible tap size with 2A external and 3B internal thread fits, inch system.
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. Contact us for pricing and lead time on this MS51830-107 compliant 10-pack.
How to install a key locking insert?
Installation requires drilling to the specified tap size (#12-28), tapping the hole, then driving the insert using a compatible tool until the keys engage. Ensure the insert is flush or slightly below the surface. Use thread locking compound for critical applications.
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.









