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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M5x0.8 Int Thrd Sz, M10x1.25 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M5x0.8 Int Thrd Sz, M10x1.25 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M5x0.8 internal thread size, M10x1.25 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and MJ…

SKU 3G-OTH-531689

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M5x0.8 Int Thrd Sz, M10x1.25 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076364
Type
M5x0.8 Int Thrd Sz, M10x1.25 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M10x1.25
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Metric
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 heavy-wall, mil. spec. insert with 4 keys, M5x0.8 internal thread size, M10x1.25 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits, made from 18-8 material, and comes in a 10-pack (MPN 217-076364).

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 key locking insert is used to repair or reinforce tapped threads in metal assemblies, particularly in aerospace and defense applications. Its four keys lock the insert into place, preventing rotation under vibration. It meets Fed Std. H28/21 and MJ Form standards for mil. spec. thread repair.

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

This insert has an M5x0.8 internal thread and M10x1.25 external thread, with 2A external and 3B internal thread fits. It is made from 18-8 stainless steel, has a plain finish, and meets Fed Std. H28/21 and MJ Form standards. It comes in a 10-pack (MPN 217-076364).

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine mil. spec. inserts like this heavy-wall, 4-key, M10x1.25 external thread model (MPN 217-076364) for international orders.

How to install an APPROVED VENDOR key locking insert?

Installation requires tapping the hole to the compatible tap size (M10x1.25), then winding the insert into the tapped hole using a proper installation tool. After insertion, the four keys are set into the parent material using a key-setting tool to lock the insert. Follow standard mil. spec. thread insert procedures for best results.

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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