OEM Mil. Spec. Key-Locking Insert, Heavy Wall, 7/16"-14 x 5/8"-11, 4
<p>This Mil. Spec. key-locking insert is a heavy-wall, plain finish insert with 4 keys, designed for high-strength thread repair or installation in industrial applications. It features an internal thread size of…
SKU 3G-OTH-531649
Also listed as: 217076305 · 217 076305
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
<p>This Mil. Spec. key-locking insert is a heavy-wall, plain finish insert with 4 keys, designed for high-strength thread repair or installation in industrial applications. It features an internal thread size of 7/16"-14 and an external thread size of 5/8"-11, with coarse threads and 18-8 stainless steel construction for corrosion resistance. The insert meets industry standard MS51831-205 and is compatible with a 5/8"-11 tap. External thread fit is 2A, internal thread fit is 3B.</p><p>Ideal for aerospace, military, and heavy machinery maintenance, this 10-pack offers a reliable solution for demanding environments. As a Singapore-based supplier, 3G Electric provides SGD quotes on request, handles GST for local buyers, and ensures fast delivery across Singapore and Southeast Asia.</p>
Frequently Asked Questions
What are the thread sizes and fits of this insert?
The internal thread size is 7/16"-14 (coarse) with a 3B fit, and the external thread size is 5/8"-11 (coarse) with a 2A fit. It is compatible with a 5/8"-11 tap.
What is the material and finish of this insert?
The insert is made of 18-8 stainless steel and has a plain finish. It is a heavy-wall type with 4 keys, meeting Mil. Spec. MS51831-205.
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.