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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-11 Int Thrd Sz, 7/8"-14 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-11 Int Thrd Sz, 7/8"-14 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, 5/8"-11 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, it meets NAS1395C10 standards…

SKU 3G-OTH-531728

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-11 Int Thrd Sz, 7/8"-14 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076308
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
7/8"-14
Finish Type
Plain
Int Thrd Sz
5/8"-11
Thread Type
Coarse
Industry Standards
NAS1395C10
Compatible Tap Size
7/8"-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, mil-spec insert with 4 keys, 5/8"-11 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, it meets NAS1395C10 standards and is made from 18-8 material with coarse threads, compatible with a 7/8"-14 tap size.

Frequently Asked Questions

What is a key locking insert used for?

A key locking insert repairs or reinforces tapped threads in soft materials like aluminum. The external keys lock the insert into the parent material, preventing rotation under load. This heavy-wall, mil-spec insert from APPROVED VENDOR meets NAS1395C10 standards for aerospace and industrial applications.

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

This heavy-wall insert has a 5/8"-11 internal thread and 7/8"-14 external thread, with 4 keys and a plain finish. It is made from 18-8 stainless steel, meets NAS1395C10, and comes in a 10-pack. External thread fit is 2A; internal thread fit is 3B. Compatible tap size is 7/8"-14.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the 10-pack heavy-wall insert with 5/8"-11 internal thread and 7/8"-14 external thread.

How to install a key locking insert?

Installation requires tapping the hole to the specified compatible tap size (7/8"-14 for this insert), then driving the insert into the tapped hole using a key locking insert tool. The external keys embed into the parent material to lock the insert in place. Follow standard mil-spec installation procedures for best results.

Used in

Common applications for APPROVED VENDOR
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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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