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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M10x1.5 internal thread size, M16x1.5 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and MJ…

SKU 3G-OTH-531699

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076367
Type
M10x1.5 Int Thrd Sz, M16x1.5 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
M16x1.5
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Metric
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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, M10x1.5 internal thread size, M16x1.5 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and MJ Form standards, with a compatible tap size of M16x1.5, external thread fit 2A, internal thread fit 3B, and is made from 18-8 material in metric measurement, supplied in a 10-pack (MPN 217-076367).

Frequently Asked Questions

What is an APPROVED VENDOR key locking insert used for?

This heavy-wall key locking insert repairs or reinforces tapped holes in metal assemblies, particularly in aerospace and defense applications. Its four keys lock the insert into the parent material, preventing rotation under vibration. The M10x1.5 internal thread accepts standard metric fasteners, while the M16x1.5 external thread engages the host material.

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

This heavy-wall insert has M10x1.5 internal thread and M16x1.5 external thread, with 4 keys and a plain finish. It is made from 18-8 stainless steel, meets Fed Std. H28/21 and MJ Form standards, and has external thread fit 2A and internal thread fit 3B. Compatible tap size is M16x1.5. Supplied in a 10-pack (MPN 217-076367).

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10-pack of heavy-wall, 4-key inserts (MPN 217-076367).

How to install a key locking insert?

Installation requires drilling the hole to the specified tap size (M16x1.5), tapping the threads, then screwing the insert into place using a compatible installation tool. Once seated, drive the four keys down into the parent material using a key-setting tool to lock the insert. Follow the manufacturer's torque and depth guidelines 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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