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APPROVED VENDOR Key Locking Insert: Thin Wall, 2 Keys, M2.5-0.45 Int Thrd Sz, M4.5-0.75 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Thin Wall, 2 Keys, M2.5-0.45 Int Thrd Sz, M4.5-0.75 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a thin-wall, metric Mil. Spec. insert with M2.5-0.45 internal and M4.5-0.75 external threads, supplied in a 10-pack. It features 2 keys, a plain finish, 18-8 material, and…

SKU 3G-OTH-531790

Brand
APPROVED VENDOR
Item
Key Locking Insert: Thin Wall, 2 Keys, M2.5-0.45 Int Thrd Sz, M4.5-0.75 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076383
Type
M2.5-0.45 Int Thrd Sz, M4.5-0.75 Ext Thrd Sz, Plain, 10 PK
Keys
2
Wall Type
Thin Wall
Finish Type
Plain
Thread Type
Coarse
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M4.5-0.75
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 thin-wall, metric Mil. Spec. insert with M2.5-0.45 internal and M4.5-0.75 external threads, supplied in a 10-pack. It features 2 keys, a plain finish, 18-8 material, and meets Fed Std. H28/21 and MJ Form standards. Compatible with M4.5-0.75 taps, it offers 2A external and 3B internal thread fits.

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 thin-wall key locking insert repairs or strengthens threads in metal assemblies, particularly in aerospace and defense applications. It meets Fed Std. H28/21 and MJ Form standards, ensuring reliable performance in high-stress environments where vibration resistance is critical.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-076383?

This insert has M2.5-0.45 internal and M4.5-0.75 external threads, a thin wall, 2 keys, plain finish, and 18-8 material. It offers 2A external and 3B internal thread fits, is compatible with M4.5-0.75 taps, and meets Fed Std. H28/21 and MJ Form standards.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10-pack of thin-wall metric inserts.

How to install a thin-wall key locking insert?

Installation requires tapping the hole to the compatible tap size (M4.5-0.75), then using a key locking insert tool to drive the insert until the keys engage. Ensure the insert is flush or slightly below the surface. Follow standard thread insert installation practices 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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