APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-11 Int Thrd Sz, 7/8"-14 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, 5/8"-11 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, it meets NAS1395C10 standards…
SKU 3G-OTH-531728
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, 5/8"-11 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, it meets NAS1395C10 standards and is made from 18-8 material with coarse threads, compatible with a 7/8"-14 tap size.
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 repairs or reinforces tapped threads in soft materials like aluminum. The external keys lock the insert into the parent material, preventing rotation under load. This heavy-wall, mil-spec insert from APPROVED VENDOR meets NAS1395C10 standards for aerospace and industrial applications.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has a 5/8"-11 internal thread and 7/8"-14 external thread, with 4 keys and a plain finish. It is made from 18-8 stainless steel, meets NAS1395C10, and comes in a 10-pack. External thread fit is 2A; internal thread fit is 3B. Compatible tap size is 7/8"-14.
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 order the 10-pack heavy-wall insert with 5/8"-11 internal thread and 7/8"-14 external thread.
How to install a key locking insert?
Installation requires tapping the hole to the specified compatible tap size (7/8"-14 for this insert), then driving the insert into the tapped hole using a key locking insert tool. The external keys embed into the parent material to lock the insert in place. Follow standard mil-spec installation procedures for best results.
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.









