OEM Approved Vendor Key Locking Insert
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, a 1/4"-28 internal thread size, and a 7/16"-14 external thread size. It meets NAS1394C4 standards, is made from 18-8 material…
SKU 3G-OTH-531635
Also listed as: 217076502 · 217 076502
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, a 1/4"-28 internal thread size, and a 7/16"-14 external thread size. It meets NAS1394C4 standards, is made from 18-8 material, and comes in a plain finish, 10 PK.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert is used to repair or reinforce threads in metal assemblies, providing a strong, reusable thread in softer materials. The APPROVED VENDOR heavy-wall insert with 4 keys meets NAS1394C4 standards and is ideal for aerospace, military, and industrial applications requiring high pull-out resistance.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has a 1/4"-28 internal thread and a 7/16"-14 external thread, with 4 keys and a plain finish. It is made from 18-8 stainless steel, meets NAS1394C4 standards, and has external thread fit 2A and internal thread fit 3B. It comes in a 10-pack.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies the APPROVED VENDOR key locking insert (MPN 217-076502) 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 NAS1394C4-compliant insert.
How to install a key locking insert?
To install a key locking insert, drill and tap the hole to the specified compatible tap size (7/16"-14 for this insert), then use a key locking insert installation tool to drive the insert into the tapped hole. The keys lock into the parent material to prevent rotation. Follow standard thread repair procedures 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.