OEM Key Locking Insert: Thin Wall, 4 Keys, 3/8"-16 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"-16 internal thread size, and 1/2"-13 external thread size. It is made of 18-8 material, has a plain finish, and…
SKU 3G-OTH-531643
Also listed as: 217077324 · 217 077324
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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"-16 internal thread size, and 1/2"-13 external thread size. It is made of 18-8 material, has a plain finish, and meets MS51832-102 standards. Supplied in a 10-pack, this insert features a 2A external thread fit and 3B internal thread fit, compatible with a 1/2"-13 tap.
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 durable, reusable thread in softer materials. The APPROVED VENDOR thin-wall insert with 4 keys meets Mil. Spec. MS51832-102 for aerospace and defense applications, ensuring secure fastening under vibration.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall insert has a 3/8"-16 internal thread and 1/2"-13 external thread, made of 18-8 stainless steel with a plain finish. It features 4 keys, 2A external and 3B internal thread fits, and is compatible with a 1/2"-13 tap. Supplied in a 10-pack, it meets MS51832-102 standards.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies the APPROVED VENDOR key locking insert (MPN 217-077324) to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Mil. Spec. insert to your facility, ensuring compliance with MS51832-102 standards.
How to install a key locking insert?
To install, tap the hole to the compatible tap size (1/2"-13 for this insert), then use a key locking insert installation tool to drive the insert until it is flush or slightly below the surface. The 4 keys lock into the parent material to prevent rotation. Follow standard thread repair practices for best results.
OEM Products
3G Electric supplies OEM mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.