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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-12 Int Thrd Sz, 13/16"-16 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-12 Int Thrd Sz, 13/16"-16 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, inch-system Mil. Spec. insert with 4 keys, 9/16"-12 internal coarse thread, and 13/16"-16 external thread (2A fit). Supplied as a plain, 10-pack (MPN…

SKU 3G-OTH-531662

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 9/16"-12 Int Thrd Sz, 13/16"-16 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076307
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
13/16"-16
Finish Type
Plain
Int Thrd Sz
9/16"-12
Thread Type
Coarse
Industry Standards
NAS1395C9
Compatible Tap Size
13/16"-16
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, 9/16"-12 internal coarse thread, and 13/16"-16 external thread (2A fit). Supplied as a plain, 10-pack (MPN 217-076307), it meets NAS1395C9 standards and is made from 18-8 material with a 3B internal thread fit.

Frequently Asked Questions

What is the 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 NAS1395C9 standards and provides a durable 18-8 stainless steel thread with 4 locking keys to prevent rotation under vibration.

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

This insert has a 9/16"-12 internal coarse thread (3B fit) and a 13/16"-16 external thread (2A fit). It is a heavy-wall, plain finish, 10-pack made from 18-8 stainless steel. It meets NAS1395C9 standards and requires a 13/16"-16 tap for installation.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies the APPROVED VENDOR Key Locking Insert (MPN 217-076307) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 10-pack of heavy-wall inserts.

How to install a key locking insert like the APPROVED VENDOR NAS1395C9?

Installation requires tapping the hole to the specified compatible tap size (13/16"-16), then threading the insert into the tapped hole using a key locking insert installation tool. The 4 keys are then set into the parent material to lock the insert in place. 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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