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APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 2 Keys, #8-32 Int Thrd Sz, 3/8"-16 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 2 Keys, #8-32 Int Thrd Sz, 3/8"-16 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring #8-32 internal thread size and 3/8"-16 external thread size. Supplied as a plain-finish, 10-pack with 2…

SKU 3G-OTH-531623

Brand
APPROVED VENDOR
Item
Key Locking Insert: Extra Heavy Wall, 2 Keys, #8-32 Int Thrd Sz, 3/8"-16 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076332
Type
#8-32 Int Thrd Sz, Plain, 10 PK
Keys
2
Wall Type
Extra Heavy Wall
Ext Thrd Sz
3/8"-16
Finish Type
Plain
Thread Type
Coarse
Industry Standards
MIL-I-45914A (MS51832)
Compatible Tap Size
3/8"-16
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
303
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 Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring #8-32 internal thread size and 3/8"-16 external thread size. Supplied as a plain-finish, 10-pack with 2 keys, it meets MIL-I-45914A (MS51832) standards and is made from 303 stainless steel with 2A external and 3B internal thread fits.

Frequently Asked Questions

What is a Mil. Spec. key-locking insert used for?

A Mil. Spec. key-locking insert, like the APPROVED VENDOR Extra Heavy Wall type, is used to repair or reinforce threaded holes in metal components, especially in aerospace, defense, and industrial equipment. The keys lock the insert in place to prevent rotation under vibration, ensuring a reliable, reusable thread.

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

This APPROVED VENDOR insert has an #8-32 internal thread size and 3/8"-16 external thread size, with an Extra Heavy Wall. It meets MIL-I-45914A (MS51832) standards, is made from 303 stainless steel, and has 2A external and 3B internal thread fits. Supplied as a plain-finish 10-pack with 2 keys.

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 for pricing and lead time on this Mil. Spec. insert, part number 217-076332.

How to install a key-locking insert?

To install a key-locking insert, first tap the hole to the specified external thread size (3/8"-16). Then, using a compatible installation tool, thread the insert into the hole until it is slightly below the surface. Finally, drive the supplied keys into the locking slots to secure the insert against rotation.

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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