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OEM Key Locking Insert: Heavy Wall, 4 Keys, M8-1.00 Int Thrd Sz, M14x1.5 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
OEMMil. Spec. Key-Locking Inserts

OEM Key Locking Insert: Heavy Wall, 4 Keys, M8-1.00 Int Thrd Sz, M14x1.5 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M8-1.00 internal thread size, M14x1.5 external thread size, plain finish, and 18-8 material grade. It meets Fed Std. H28/21 and…

SKU 3G-OTH-531780

Also listed as: 217076566 · 217 076566

Brand
OEM
Item
Key Locking Insert: Heavy Wall, 4 Keys, M8-1.00 Int Thrd Sz, M14x1.5 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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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

Technical Specifications

OEM
Manufacturer Part Number
217-076566
Type
M8-1.00 Int Thrd Sz, M14x1.5 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M14x1.5
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Metric

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M8-1.00 internal thread size, M14x1.5 external thread size, plain finish, and 18-8 material grade. It meets Fed Std. H28/21 and MJ Form standards, with a 2A external thread fit and 3B internal thread fit, compatible with M14x1.5 tap size, sold in a 10-pack.

Frequently Asked Questions

What is an APPROVED VENDOR key locking insert used for?

This heavy-wall key locking insert with 4 keys is used to repair or reinforce tapped threads in metal assemblies, particularly in aerospace and defense applications. It meets Fed Std. H28/21 and MJ Form standards, ensuring reliable thread locking under vibration.

What are the specifications of the APPROVED VENDOR key locking insert?

This insert has M8-1.00 internal thread size, M14x1.5 external thread size, plain finish, 18-8 material grade, 2A external thread fit, and 3B internal thread fit. It is compatible with M14x1.5 tap size and comes in a 10-pack.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this 10-pack of heavy-wall inserts with 4 keys.

How to install an APPROVED VENDOR key locking insert?

Installation requires tapping the hole to M14x1.5, then using a key locking insert tool to drive the insert until the keys engage. Ensure the external thread fit is 2A and internal fit is 3B for proper locking. Follow standard mil. spec. 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.

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