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

APPROVED VENDOR 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

Brand
APPROVED VENDOR
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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Technical Specifications

APPROVED VENDOR
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
View Full Spec Sheet

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APPROVED VENDOR 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.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

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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