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APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 4 Keys, 9/16"-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: Extra Heavy Wall, 4 Keys, 9/16"-18 Int Thrd Sz, 7/8"-14 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, 4 keys, 9/16"-18 internal thread size, and 7/8"-14 external thread size. It meets MS51831-202L standards, features…

SKU 3G-OTH-531796

Brand
APPROVED VENDOR
Item
Key Locking Insert: Extra Heavy Wall, 4 Keys, 9/16"-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
217-076539
Type
10 PK
Keys
4
Wall Type
Extra Heavy Wall
Ext Thrd Sz
7/8"-14
Finish Type
Plain
Int Thrd Sz
9/16"-18
Thread Type
Coarse
Industry Standards
MS51831-202L
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 Mil. Spec. key-locking insert with an Extra Heavy Wall, 4 keys, 9/16"-18 internal thread size, and 7/8"-14 external thread size. It meets MS51831-202L standards, features 18-8 material, and comes in a 10 PK. 3G Electric interprets your demand for this OEM-specified insert and delivers it with specialist sourcing support across 14 industrial departments.

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 Mil. Spec. key-locking insert repairs or strengthens threads in metal assemblies, typically in aerospace, defense, and heavy machinery. Its extra heavy wall and 4 keys provide high pull-out resistance. 3G Electric sources this OEM-specified insert and supports your application across 14 industrial departments.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-076539?

This insert has an extra heavy wall, 9/16"-18 internal thread, 7/8"-14 external thread, 4 keys, and meets MS51831-202L. It is made of 18-8 stainless steel with 2A external and 3B internal thread fit. Supplied in a 10-pack by APPROVED VENDOR.

Where to buy APPROVED VENDOR Key Locking Insert 217-076539 worldwide?

3G Electric supplies and delivers the APPROVED VENDOR Key Locking Insert 217-076539 worldwide. We handle full logistics and customs clearance, interpreting your demand for this Mil. Spec. insert and providing specialist sourcing support across 14 industrial departments.

How to install an APPROVED VENDOR Key Locking Insert?

Installation requires tapping the hole to the compatible tap size (7/8"-14), then driving the insert using a key-locking tool until the keys engage. Ensure threads are clean and lubricated. 3G Electric can advise on proper tooling and selection for your application.

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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