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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M24-2.00 Int Thrd Sz, M33-2.00 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M24-2.00 Int Thrd Sz, M33-2.00 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, plain-finish Mil. Spec. insert with 4 keys, M24-2.00 internal thread size and M33-2.00 external thread size, supplied in a 10-pack. It meets Fed Std. H28/21 and…

SKU 3G-OTH-531760

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M24-2.00 Int Thrd Sz, M33-2.00 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076575
Type
M24-2.00 Int Thrd Sz, M33-2.00 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Drill Bit Size
31.10 mm
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M33-2.00
External Thread Fit
2A
Internal Thread Fit
3B
External Thread Size
M33-2.00
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, plain-finish Mil. Spec. insert with 4 keys, M24-2.00 internal thread size and M33-2.00 external thread size, supplied in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards, with a 31.10 mm drill bit size, compatible M33-2.00 tap, 2A external and 3B internal thread fits, and is made from 18-8 material.

Frequently Asked Questions

What is a Mil. Spec. Key-Locking Insert used for?

A Mil. Spec. Key-Locking Insert repairs or reinforces tapped threads in metal assemblies, especially in aerospace, defense, and heavy machinery. The APPROVED VENDOR heavy-wall insert with 4 keys locks into place to prevent rotation under vibration, ensuring a reliable, reusable thread in demanding industrial applications.

What are the specifications of the APPROVED VENDOR Key Locking Insert?

This heavy-wall insert has M24-2.00 internal and M33-2.00 external threads, 4 keys, plain finish, and 18-8 material. It requires a 31.10 mm drill bit and M33-2.00 tap, meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits. Supplied in a 10-pack.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies the APPROVED VENDOR Key Locking Insert (MPN 217-076575) to global customers. As a sourcing partner across 14 industrial departments, we handle logistics, customs, and delivery worldwide. Contact us for availability and lead time on this heavy-wall, 4-key insert.

How to install a Mil. Spec. Key-Locking Insert?

Installation requires drilling a 31.10 mm hole, tapping with an M33-2.00 tap, then inserting the APPROVED VENDOR heavy-wall insert using a compatible tool. Drive the 4 keys into the parent material to lock it. Follow Fed Std. H28/21 guidelines for torque and thread fit to ensure a secure, vibration-resistant repair.

Used in

Common applications for APPROVED VENDOR
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High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
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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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