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OEM Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-13 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"-13 Int Thrd Sz, 11/16"-11 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this 18-8…

SKU 3G-OTH-531761

Also listed as: 217077306 · 217 077306

Brand
OEM
Item
Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-13 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 — 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
217-077306
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
11/16"-11
Finish Type
Plain
Int Thrd Sz
1/2"-13
Thread Type
Coarse
Industry Standards
MS51830-101L
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, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this 18-8 stainless steel insert meets MS51830-101L standards and features 2A external and 3B internal thread fits.

Frequently Asked Questions

What is an APPROVED VENDOR Key Locking Insert used for?

This heavy-wall, 18-8 stainless steel insert with 4 keys is used to repair or reinforce tapped threads in metal assemblies, meeting MS51830-101L standards. It is common in aerospace, defense, and industrial maintenance where a secure, reusable thread is required.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077306?

This insert has a 1/2"-13 internal thread size and 11/16"-11 external thread size, with 2A external and 3B internal thread fits. It is a heavy-wall, plain finish, 10-pack made of 18-8 stainless steel, meeting MS51830-101L standards.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies and delivers the APPROVED VENDOR Key Locking Insert 217-077306 worldwide. We handle full logistics and customs clearance, ensuring you receive genuine Mil. Spec. inserts for your industrial applications.

How to install an APPROVED VENDOR Key Locking Insert?

Install using a compatible tap size of 11/16"-11 to prepare the hole, then drive the insert with a key-locking installation tool until the keys engage. Ensure the external thread fit is 2A for proper locking. Follow standard thread repair practices 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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