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OEM Key Locking Insert: Thin Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 5/8"-11 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
OEMMil. Spec. Key-Locking Inserts

OEM Key Locking Insert: Thin Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 5/8"-11 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a thin-wall, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 5/8"-11 external thread size. It is made of 18-8 material, meets MS51832-104…

SKU 3G-OTH-531656

Also listed as: 217077326 · 217 077326

Brand
OEM
Item
Key Locking Insert: Thin Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 5/8"-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
217-077326
Type
Plain, Plain, 10 PK
Keys
4
Wall Type
Thin Wall
Ext Thrd Sz
5/8"-11
Finish Type
Plain
Int Thrd Sz
1/2"-13
Thread Type
Coarse
Industry Standards
MS51832-104
Compatible Tap Size
5/8"-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 thin-wall, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 5/8"-11 external thread size. It is made of 18-8 material, meets MS51832-104 standards, and is supplied as a plain, 10-pack with 2A external and 3B internal thread fits.

Frequently Asked Questions

What is an APPROVED VENDOR Key Locking Insert used for?

This thin-wall key locking insert is used to repair or reinforce tapped threads in metal assemblies, particularly in aerospace and defense applications. The 4 keys lock the insert in place to prevent rotation under vibration. It meets Mil. Spec. MS51832-104 for reliable performance in demanding environments.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077326?

This thin-wall insert has a 1/2"-13 internal thread and a 5/8"-11 external thread, with 2A external and 3B internal thread fits. It is made of 18-8 stainless steel, includes 4 keys, and meets MS51832-104 standards. Supplied as a plain, 10-pack by APPROVED VENDOR.

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, customs clearance, and delivery to your facility. Contact us to order the 217-077326 10-pack or other Mil. Spec. inserts for your application.

How to install a thin-wall key locking insert?

Installation requires tapping the hole to the compatible tap size (5/8"-11), then driving the insert using a key locking insert tool until it is flush or slightly below the surface. The 4 keys are then set into the parent material to lock the insert. Always follow the manufacturer's instructions for torque and depth.

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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Cross-referenced by specification & description
Key Locking Insert: Thin Wall, 2 Keys, #6-32 Int Thrd Sz, #12-28 Ext Thrd Sz, Stainless Steel, 10 PK (MPN 217-077285)
Key Locking Insert: Thin Wall, 2 Keys, #6-32 Int Thrd Sz, #12-28 Ext Thrd Sz, Stainless Steel, 10 PK (MPN 217-077285)
Key Locking Insert: Thin Wall, 4 Keys, 7/16"-14 Int Thrd Sz, 9/16"-12 Ext Thrd Sz, Plain, 10 PK (MPN 217-076325)
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Key Locking Insert: Heavy Wall, 4 Keys, 7/8"-14 Int Thrd Sz, 1 1/4"-12 Ext Thrd Sz, Plain, 10 PK (MPN 217-076510)
Key Locking Insert: Heavy Wall, 4 Keys, 7/8"-14 Int Thrd Sz, 1 1/4"-12 Ext Thrd Sz, Plain, 10 PK (MPN 217-076510)
Key Locking Insert: Heavy Wall, 4 Keys, M12x1.25 Int Thrd Sz, M18-1.50 Ext Thrd Sz, Plain, 10 PK (MPN 217-077569)
Key Locking Insert: Heavy Wall, 4 Keys, M12x1.25 Int Thrd Sz, M18-1.50 Ext Thrd Sz, Plain, 10 PK (MPN 217-077569)
Key Locking Insert: Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, Plain, 10 PK (MPN 217-077334)
Key Locking Insert: Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, Plain, 10 PK (MPN 217-077334)
Key Locking Insert: Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, Plain, 10 PK (MPN 217-076534)
Key Locking Insert: Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, Plain, 10 PK (MPN 217-076534)