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OEM Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-20 Int Thrd Sz, 11/16"-11 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
OEMMil. Spec. Key-Locking Inserts

OEM Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-20 Int Thrd Sz, 11/16"-11 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, a 1/2"-20 internal thread size, and an 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this inch-system…

SKU 3G-OTH-531659

Also listed as: 217076506 · 217 076506

Brand
OEM
Item
Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-20 Int Thrd Sz, 11/16"-11 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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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.

Technical Specifications

OEM
Manufacturer Part Number
217-076506
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
11/16"-11
Finish Type
Plain
Int Thrd Sz
1/2"-20
Thread Type
Coarse
Industry Standards
MS51830-206
Compatible Tap Size
11/16"-11
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch

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, a 1/2"-20 internal thread size, and an 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this inch-system insert is made from 18-8 material and meets MS51830-206 standards, with a compatible tap size of 11/16"-11 and external/internal thread fits of 2A and 3B.

Frequently Asked Questions

What is an APPROVED VENDOR key locking insert used for?

This heavy-wall key locking insert is used to repair or reinforce threaded holes in metal assemblies, particularly in aerospace and defense applications. It meets mil. spec. MS51830-206, providing a durable 18-8 stainless steel thread with four locking keys to prevent rotation under vibration.

What are the specifications of the APPROVED VENDOR 217-076506 key locking insert?

This 10-pack insert has a 1/2"-20 internal thread and 11/16"-11 external thread, with a heavy wall and plain finish. It is made from 18-8 stainless steel, meets MS51830-206 standards, and features 4 keys. External thread fit is 2A; internal thread fit is 3B. Compatible tap size is 11/16"-11.

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 mil. spec. threaded inserts like the 217-076506 to your facility. Contact us for a quote and delivery timeline.

How to install an APPROVED VENDOR key locking insert?

Installation requires tapping the hole to the compatible tap size (11/16"-11), then driving the insert using a key locking insert tool until it is flush or slightly below the surface. The four keys are then set into the parent material using a key setting tool to prevent rotation. Follow standard mil. spec. practices.

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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