OEM Key Locking Insert: Heavy Wall, 7/8-"14 Int Thrd Sz, 1 1/4"-12 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert made from 18-8 stainless steel, supplied in a 10-pack. It features a 7/8"-14 internal thread (3B fit) and a 1 1/4"-12 external thread (2A fit)…
SKU 3G-OTH-531713
Also listed as: 217077510 · 217 077510
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert made from 18-8 stainless steel, supplied in a 10-pack. It features a 7/8"-14 internal thread (3B fit) and a 1 1/4"-12 external thread (2A fit), compatible with a 1-1/4"-12 tap and meeting MS51831-111L standards.
Frequently Asked Questions
What is an APPROVED VENDOR Key Locking Insert used for?
This heavy-wall key locking insert repairs or reinforces tapped holes in metal assemblies, providing a durable 18-8 stainless steel thread. It meets MS51831-111L standards for aerospace, defense, and industrial applications where vibration resistance and thread integrity are critical.
What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077510?
This 10-pack insert has a 7/8"-14 internal thread (3B fit) and a 1 1/4"-12 external thread (2A fit). It is made from 18-8 stainless steel with a heavy wall, plain finish, and is compatible with a 1-1/4"-12 tap. It meets MS51831-111L standards.
Where to buy APPROVED VENDOR Key Locking Inserts worldwide?
3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, regardless of location.
How to install a key locking insert like the APPROVED VENDOR MS51831-111L?
Installation requires tapping the hole to the specified compatible tap size (1-1/4"-12), then driving the insert using a key locking tool until it is seated flush. The external keys lock into the parent material to prevent rotation. Follow standard mil-spec insert procedures.
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.