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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-18 Int Thrd Sz, 13/16"-16 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-18 Int Thrd Sz, 13/16"-16 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, 4-key, plain-finish insert with 9/16"-18 internal and 13/16"-16 external coarse threads, meeting MS51832-201. Supplied in a 10-pack, it is made from 18-8…

SKU 3G-OTH-531717

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-18 Int Thrd Sz, 13/16"-16 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076507
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
13/16"-16
Finish Type
Plain
Int Thrd Sz
9/16"-18
Thread Type
Coarse
Industry Standards
MS51832-201
Compatible Tap Size
13/16"-16
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, 4-key, plain-finish insert with 9/16"-18 internal and 13/16"-16 external coarse threads, meeting MS51832-201. Supplied in a 10-pack, it is made from 18-8 stainless steel with 2A external and 3B internal thread fits, compatible with a 13/16"-16 tap.

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 an APPROVED VENDOR key locking insert used for?

This heavy-wall, 4-key insert repairs or reinforces tapped threads in metal assemblies, particularly where MIL-SPEC compliance (MS51832-201) is required. It is commonly used in aerospace, defense, and industrial equipment to restore stripped threads in steel or aluminum housings, providing a durable 18-8 stainless steel thread.

What are the specifications of the APPROVED VENDOR key locking insert 217-076507?

This 10-pack insert has a 9/16"-18 internal thread and 13/16"-16 external coarse thread, with 2A external and 3B internal fits. It is made from 18-8 stainless steel, plain finish, heavy wall, and meets MS51832-201. Compatible tap size is 13/16"-16.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, whether you are in North America, Europe, Asia, or the Middle East.

How to install a key locking insert like the APPROVED VENDOR MS51832-201?

Installation requires tapping the hole to the specified compatible tap size (13/16"-16), then threading the insert into the tapped hole using a key locking insert driver. After insertion, the keys are set into the parent material using a key setting tool to prevent rotation. Follow standard MIL-SPEC installation procedures.

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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