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

APPROVED VENDOR 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

Brand
APPROVED VENDOR
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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Technical Specifications

APPROVED VENDOR
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
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APPROVED VENDOR 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.

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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