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APPROVED VENDOR Key Locking Insert: Extra Heavy Wall, 4 Keys, #10-24 Int Thrd Sz, 7/16"-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, #10-24 Int Thrd Sz, 7/16"-14 Ext Thrd Sz

APPROVED VENDOR Mil. Spec. Key-Locking Insert, Extra Heavy Wall, with 4 keys, #10-24 internal thread size, 7/16"-14 external thread size, plain finish, 10 per pack. Meets NAS1395C9L standards, 18-8 material, inch…

SKU 3G-OTH-531809

Brand
APPROVED VENDOR
Item
Key Locking Insert: Extra Heavy Wall, 4 Keys, #10-24 Int Thrd Sz, 7/16"-14 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077333
Type
#10-24 Int Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Extra Heavy Wall
Ext Thrd Sz
7/16"-14
Finish Type
Plain
Thread Type
Coarse
Industry Standards
NAS1395C9L
Compatible Tap Size
7/16"-14
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

APPROVED VENDOR Mil. Spec. Key-Locking Insert, Extra Heavy Wall, with 4 keys, #10-24 internal thread size, 7/16"-14 external thread size, plain finish, 10 per pack. Meets NAS1395C9L standards, 18-8 material, inch system, external thread fit 2A, internal thread fit 3B, compatible tap size 7/16"-14.

Frequently Asked Questions

What is a Mil. Spec. Key-Locking Insert used for?

APPROVED VENDOR key-locking inserts repair or reinforce tapped threads in soft materials like aluminum. The extra heavy wall and four keys lock the insert against rotation under vibration. Common in aerospace, defense, and industrial assemblies requiring NAS1395C9L compliance.

What are the specifications of the APPROVED VENDOR 217-077333 key-locking insert?

This insert has #10-24 internal thread, 7/16"-14 external thread, extra heavy wall, 18-8 stainless steel, plain finish, 2A external fit, 3B internal fit, and meets NAS1395C9L. Supplied in packs of 10. Compatible tap size is 7/16"-14.

Where to buy APPROVED VENDOR key-locking inserts worldwide?

3G Electric supplies APPROVED VENDOR key-locking inserts like the 217-077333 to global customers. We handle full logistics, customs clearance, and delivery to your site worldwide. Contact us for pricing and lead time on this NAS1395C9L-compliant insert.

How to install a key-locking insert?

Drill and tap the hole to the compatible tap size (7/16"-14 for this insert). Thread the insert onto the installation tool, apply threadlocker if specified, and drive it below the surface. The four keys expand into the parent material to lock it. Use a removal tool for extraction.

Used in

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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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