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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-18 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"-18 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"-18 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, this inch-system insert meets…

SKU 3G-OTH-531665

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 5/8"-18 Int Thrd Sz, 7/8"-14 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076508
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
7/8"-14
Finish Type
Plain
Int Thrd Sz
5/8"-18
Thread Type
Coarse
Industry Standards
MS51832-202
Compatible Tap Size
7/8"-14
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch
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, 5/8"-18 internal thread size, and 7/8"-14 external thread size. Supplied in a plain finish, 10-pack, this inch-system insert meets MS51832-202 standards and is made from 18-8 material with external thread fit 2A and internal thread fit 3B.

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, particularly in aerospace and defense applications. Its four keys lock it into the parent material, preventing rotation under vibration. The 5/8"-18 internal thread accepts standard bolts, while the 7/8"-14 external thread taps into a prepared hole.

What are the specifications of the APPROVED VENDOR 217-076508 key locking insert?

This 10-pack insert has a 5/8"-18 internal thread size and 7/8"-14 external thread size, with a heavy wall and plain finish. It meets MS51832-202 standards, is made from 18-8 stainless steel, and has external thread fit 2A with internal thread fit 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 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this MS51832-202 compliant insert in a 10-pack.

How to install an APPROVED VENDOR heavy-wall key locking insert?

Installation requires tapping the hole to the specified compatible tap size (7/8"-14), then threading the insert into the tapped hole using a key locking insert installation tool. The four keys are then set into the parent material using a key setting tool to lock the insert in place. Follow MS51832-202 guidelines for torque values.

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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