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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 11/16"-11 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 11/16"-11 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this 18-8…

SKU 3G-OTH-531761

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-13 Int Thrd Sz, 11/16"-11 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077306
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
11/16"-11
Finish Type
Plain
Int Thrd Sz
1/2"-13
Thread Type
Coarse
Industry Standards
MS51830-101L
Compatible Tap Size
11/16"-11
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, inch-system Mil. Spec. insert with 4 keys, 1/2"-13 internal thread size, and 11/16"-11 external thread size. Supplied in a plain finish, 10-pack, this 18-8 stainless steel insert meets MS51830-101L standards and features 2A external and 3B internal thread fits.

Frequently Asked Questions

What is an APPROVED VENDOR Key Locking Insert used for?

This heavy-wall, 18-8 stainless steel insert with 4 keys is used to repair or reinforce tapped threads in metal assemblies, meeting MS51830-101L standards. It is common in aerospace, defense, and industrial maintenance where a secure, reusable thread is required.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077306?

This insert has a 1/2"-13 internal thread size and 11/16"-11 external thread size, with 2A external and 3B internal thread fits. It is a heavy-wall, plain finish, 10-pack made of 18-8 stainless steel, meeting MS51830-101L standards.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies and delivers the APPROVED VENDOR Key Locking Insert 217-077306 worldwide. We handle full logistics and customs clearance, ensuring you receive genuine Mil. Spec. inserts for your industrial applications.

How to install an APPROVED VENDOR Key Locking Insert?

Install using a compatible tap size of 11/16"-11 to prepare the hole, then drive the insert with a key-locking installation tool until the keys engage. Ensure the external thread fit is 2A for proper locking. Follow standard thread repair practices for best results.

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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