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APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 1/2"-20 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"-20 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, a 1/2"-20 internal thread size, and a 5/8"-11 external thread size. It meets MS51832-110 standards, is made from 18-8…

SKU 3G-OTH-531758

Brand
APPROVED VENDOR
Item
Key Locking Insert: Thin Wall, 4 Keys, 1/2"-20 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
217-077526
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"-20
Thread Type
Coarse
Industry Standards
MS51832-110
Compatible Tap Size
5/8"-11
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch
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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, a 1/2"-20 internal thread size, and a 5/8"-11 external thread size. It meets MS51832-110 standards, is made from 18-8 material, and comes in a plain finish, 10-pack. 3G Electric interprets demand and sources this genuine industrial insert across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a key locking insert used for?

A key locking insert repairs or reinforces tapped holes in softer materials, providing a durable 18-8 stainless steel thread. The 4 external keys lock it in place, preventing rotation under vibration. This thin-wall, inch-system insert meets MS51832-110 standards for aerospace and industrial applications.

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

This thin-wall insert has a 1/2"-20 internal thread and a 5/8"-11 external thread, with 2A external and 3B internal thread fits. It is made from 18-8 stainless steel, plain finish, and comes in a 10-pack. It meets MS51832-110 standards and requires a 5/8"-11 tap.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric sources and supplies genuine APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we interpret your demand and deliver the right Mil. Spec. insert for your application.

How to install a key locking insert?

Installation requires tapping the hole to the specified external thread size (5/8"-11), then driving the insert into the tapped hole using a compatible installation tool. The 4 keys lock into the parent material to prevent rotation. Always follow the manufacturer's instructions for proper thread engagement and torque.

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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