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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 7/16"-14 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 7/16"-14 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, inch-system Mil. Spec. insert with 4 keys, 1/4"-20 internal thread and 7/16"-14 external thread, plain finish, 10 PK. It meets NAS1395C4 standards, is made from…

SKU 3G-OTH-531632

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 7/16"-14 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076302
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
7/16"-14
Finish Type
Plain
Int Thrd Sz
1/4"-20
Thread Type
Coarse
Industry Standards
NAS1395C4
Compatible Tap Size
7/16"-14
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch
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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, inch-system Mil. Spec. insert with 4 keys, 1/4"-20 internal thread and 7/16"-14 external thread, plain finish, 10 PK. It meets NAS1395C4 standards, is made from 18-8 material, and uses a 7/16"-14 compatible tap size with 2A external and 3B internal thread fits.

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. It meets NAS1395C4 standards and is made from 18-8 stainless steel for corrosion resistance. 3G Electric supplies this Mil. Spec. insert for industrial maintenance worldwide.

What are the specifications of the APPROVED VENDOR key locking insert 217-076302?

This insert has a 1/4"-20 internal thread and 7/16"-14 external thread, with 4 keys and a plain finish. It is heavy-wall, inch-system, made from 18-8 material, and meets NAS1395C4 standards. Compatible tap size is 7/16"-14 with 2A external and 3B internal thread fits.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies the APPROVED VENDOR key locking insert 217-076302 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Mil. Spec. insert to your facility. Contact us for availability and lead time.

How to install a key locking insert?

Installation requires tapping the hole to the compatible tap size (7/16"-14 for this insert), then driving the insert using a key locking insert tool until it is flush or slightly below the surface. The keys lock into the parent material to prevent rotation. Always follow the manufacturer's instructions for torque and depth.

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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