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APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 7/16"-14 Int Thrd Sz, 9/16"-12 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 7/16"-14 Int Thrd Sz, 9/16"-12 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a thin-wall, mil-spec insert with 4 keys, a 7/16"-14 internal thread size, and a 9/16"-12 external thread size. Supplied in a plain finish, 10-pack, this 18-8 steel insert…

SKU 3G-OTH-531725

Brand
APPROVED VENDOR
Item
Key Locking Insert: Thin Wall, 4 Keys, 7/16"-14 Int Thrd Sz, 9/16"-12 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077325
Type
Plain, 10 PK
Keys
4
Wall Type
Thin Wall
Ext Thrd Sz
9/16"-12
Finish Type
Plain
Int Thrd Sz
7/16"-14
Thread Type
Coarse
Industry Standards
MS51832-103
Compatible Tap Size
9/16"-12
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 thin-wall, mil-spec insert with 4 keys, a 7/16"-14 internal thread size, and a 9/16"-12 external thread size. Supplied in a plain finish, 10-pack, this 18-8 steel insert meets MS51832-103 standards and features a 2A external and 3B internal thread fit.

Frequently Asked Questions

What is an APPROVED VENDOR Key Locking Insert used for?

This thin-wall, mil-spec insert with 4 keys is used to repair or reinforce tapped threads in metal assemblies, particularly in aerospace and defense applications. It meets MS51832-103 standards and is supplied in a 10-pack with a plain finish.

What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077325?

This insert has a 7/16"-14 internal thread size and a 9/16"-12 external thread size, with 2A external and 3B internal thread fits. It is made from 18-8 steel, has a thin wall, 4 keys, and a plain finish. It meets MS51832-103 standards.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR Key Locking Inserts worldwide. We handle full logistics and customs clearance to ensure your order arrives at your facility, whether you need a single 10-pack or bulk quantities for ongoing maintenance.

How to install an APPROVED VENDOR Key Locking Insert?

Installation requires a compatible tap size of 9/16"-12. Drill out the damaged thread, tap the hole, then drive the insert into place using a key-locking insert tool. The 4 keys lock the insert securely, preventing rotation under load. Follow standard mil-spec installation procedures.

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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