OEM Key Locking Insert: Heavy Wall, 7/8"-9 Int Thrd Sz, 1 1/4"-12 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. heavy-wall insert, supplied in a 10-pack of 18-8 stainless steel. It features a 7/8"-9 internal thread and a 1 1/4"-12 external thread, with plain finish and…
SKU 3G-OTH-531671
Also listed as: 217077310 · 217 077310
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. heavy-wall insert, supplied in a 10-pack of 18-8 stainless steel. It features a 7/8"-9 internal thread and a 1 1/4"-12 external thread, with plain finish and coarse thread type. Designed to NAS1395C08L standards, it requires a 1-11/64 in drill bit and a 1-1/4"-12 tap, with external thread fit 2A and internal thread fit 3B.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert repairs or reinforces stripped threads in metal assemblies, providing a permanent, high-strength thread. The APPROVED VENDOR heavy-wall insert, meeting NAS1395C08L standards, is used in aerospace, military, and industrial applications where vibration resistance and reliability are critical.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has a 7/8"-9 internal thread and a 1 1/4"-12 external thread, made from 18-8 stainless steel. It requires a 1-11/64 in drill bit and a 1-1/4"-12 tap, with external thread fit 2A and internal thread fit 3B. Supplied in a 10-pack with plain finish.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies the APPROVED VENDOR key locking insert (MPN 217-077310) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine Mil. Spec. inserts for your industrial maintenance or repair needs.
How to install a key locking insert?
Drill the hole to 1-11/64 in, tap it to 1-1/4"-12 with a compatible tap, then thread the insert into the tapped hole using a key locking insert tool. The keys lock the insert into the parent material, preventing rotation. Follow NAS1395C08L guidelines for proper installation.
OEM Products
3G Electric supplies OEM mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.