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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, #8-32 Int Thrd Sz, 5/16"-18 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, #8-32 Int Thrd Sz, 5/16"-18 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, #8-32 internal thread size, and 5/16"-18 external thread size. Supplied in a 10-pack with plain finish, it meets MS51832-111…

SKU 3G-OTH-531720

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, #8-32 Int Thrd Sz, 5/16"-18 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076300
Type
#8-32 Int Thrd Sz, Plain, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
5/16"-18
Finish Type
Plain
Thread Type
Coarse
Industry Standards
MS51832-111
Compatible Tap Size
5/16"-18
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, #8-32 internal thread size, and 5/16"-18 external thread size. Supplied in a 10-pack with plain finish, it meets MS51832-111 standards and is made from 18-8 material with 2A external and 3B internal thread fits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 threaded holes in metal assemblies, particularly in aerospace and defense applications. It meets MS51832-111 mil-spec standards and provides a secure, reusable thread with 4 locking keys to prevent rotation under vibration.

What are the specifications of the APPROVED VENDOR key locking insert 217-076300?

This 10-pack insert has a #8-32 internal thread size and 5/16"-18 external thread size. It features a heavy wall, plain finish, 18-8 material grade, 2A external thread fit, and 3B internal thread fit. It meets MS51832-111 standards and is compatible with a 5/16"-18 tap.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, no matter the location.

How to install an APPROVED VENDOR key locking insert?

Installation requires tapping the hole to the specified compatible tap size (5/16"-18), then using a key locking insert installation tool to drive the insert into the tapped hole. The 4 keys are then set using a key setting tool to lock the insert in place, preventing 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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