APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M24-2.00 Int Thrd Sz, M33-2.00 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, plain-finish Mil. Spec. insert with 4 keys, M24-2.00 internal thread size and M33-2.00 external thread size, supplied in a 10-pack. It meets Fed Std. H28/21 and…
SKU 3G-OTH-531760
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, plain-finish Mil. Spec. insert with 4 keys, M24-2.00 internal thread size and M33-2.00 external thread size, supplied in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards, with a 31.10 mm drill bit size, compatible M33-2.00 tap, 2A external and 3B internal thread fits, and is made from 18-8 material.
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 Mil. Spec. Key-Locking Insert used for?
A Mil. Spec. Key-Locking Insert repairs or reinforces tapped threads in metal assemblies, especially in aerospace, defense, and heavy machinery. The APPROVED VENDOR heavy-wall insert with 4 keys locks into place to prevent rotation under vibration, ensuring a reliable, reusable thread in demanding industrial applications.
What are the specifications of the APPROVED VENDOR Key Locking Insert?
This heavy-wall insert has M24-2.00 internal and M33-2.00 external threads, 4 keys, plain finish, and 18-8 material. It requires a 31.10 mm drill bit and M33-2.00 tap, meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits. Supplied in a 10-pack.
Where to buy APPROVED VENDOR Key Locking Inserts worldwide?
3G Electric supplies the APPROVED VENDOR Key Locking Insert (MPN 217-076575) to global customers. As a sourcing partner across 14 industrial departments, we handle logistics, customs, and delivery worldwide. Contact us for availability and lead time on this heavy-wall, 4-key insert.
How to install a Mil. Spec. Key-Locking Insert?
Installation requires drilling a 31.10 mm hole, tapping with an M33-2.00 tap, then inserting the APPROVED VENDOR heavy-wall insert using a compatible tool. Drive the 4 keys into the parent material to lock it. Follow Fed Std. H28/21 guidelines for torque and thread fit to ensure a secure, vibration-resistant repair.
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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.









