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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M14x1.5 Int Thrd Sz, M20-1.50 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M14x1.5 Int Thrd Sz, M20-1.50 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14x1.5 internal thread size, M20-1.50 external thread size, plain finish, and 10 per pack. It meets Fed Std. H28/21 and MJ Form…

SKU 3G-OTH-531707

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M14x1.5 Int Thrd Sz, M20-1.50 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076570
Type
M14x1.5 Int Thrd Sz, M20-1.50 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Drill Bit Size
18.70 mm
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M20-1.50
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, M14x1.5 internal thread size, M20-1.50 external thread size, plain finish, and 10 per pack. It meets Fed Std. H28/21 and MJ Form standards, with 18-8 material, 18.70 mm drill bit size, M20-1.50 compatible tap size, 2A external thread fit, and 3B internal thread fit.

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 repairs or reinforces stripped threads in metal assemblies, especially in aerospace and defense applications. It meets Fed Std. H28/21 and MJ Form standards, uses 18-8 stainless steel, and includes 4 keys for secure locking.

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

This insert has M14x1.5 internal thread size, M20-1.50 external thread size, heavy wall, plain finish, 18-8 material, 18.70 mm drill bit size, M20-1.50 compatible tap size, 2A external thread fit, and 3B internal thread fit. It comes in a 10-pack.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. We handle full logistics and customs clearance, ensuring you receive genuine mil. spec. inserts like the 217-076570 with M14x1.5 internal threads and 18-8 stainless steel construction.

How to install a key locking insert?

Drill the hole to 18.70 mm, tap it with an M20-1.50 tap, then thread the insert in using a compatible installation tool. Drive the keys down to lock it in place. Always follow the manufacturer's instructions and use proper thread locking compound for critical applications.

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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