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APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 4 Keys, 5/8"-18 Int Thrd Sz, 1"-12 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 4 Keys, 5/8"-18 Int Thrd Sz, 1"-12 Ext Thrd Sz

APPROVED VENDOR Mil. Spec. Key-Locking Inserts, Extra Heavy Wall, plain finish, 10-pack. Each insert has 4 keys, 5/8"-18 internal thread size, 1"-12 external thread size, 18-8 material, and meets MS51832-208L…

SKU 3G-OTH-531666

Brand
APPROVED VENDOR
Item
Key Locking Insert: Extra Heavy Wall, 4 Keys, 5/8"-18 Int Thrd Sz, 1"-12 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077540
Type
Plain, 10 PK
Keys
4
Wall Type
Extra Heavy Wall
Ext Thrd Sz
1"-12
Finish Type
Plain
Int Thrd Sz
5/8"-18
Thread Type
Coarse
Industry Standards
MS51832-208L
Compatible Tap Size
1"-12
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

APPROVED VENDOR Mil. Spec. Key-Locking Inserts, Extra Heavy Wall, plain finish, 10-pack. Each insert has 4 keys, 5/8"-18 internal thread size, 1"-12 external thread size, 18-8 material, and meets MS51832-208L. Compatible tap size is 1"-12, with external thread fit 2A and internal thread fit 3B.

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?

APPROVED VENDOR key-locking inserts repair or reinforce tapped threads in metal assemblies, especially in aerospace and defense applications. The extra-heavy-wall design with four keys resists rotation under vibration. This 10-pack meets MS51832-208L, providing a reliable thread repair solution for 5/8"-18 internal and 1"-12 external threads.

What are the specifications of the APPROVED VENDOR 217-077540 key-locking insert?

This insert has an extra-heavy wall, plain finish, 4 keys, 5/8"-18 internal thread size, 1"-12 external thread size, 18-8 material grade, and meets MS51832-208L. Compatible tap size is 1"-12, with external thread fit 2A and internal thread fit 3B. It comes in a 10-pack with manufacturer part number 217-077540.

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 and customs clearance to deliver these MS51832-208L-compliant inserts to your facility. Contact us for pricing and lead time on the 217-077540 10-pack.

How to install a key-locking thread insert?

Installation requires tapping the hole to the compatible tap size (1"-12 for this insert), then driving the insert using a key-locking installation tool until the keys engage the parent material. Ensure the external thread fit (2A) aligns properly. Always follow the manufacturer's instructions for torque and depth to achieve the specified 3B internal thread fit.

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APPROVED 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.

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