OEM Key Locking Insert: Heavy Wall
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with #6-32 internal thread size and 1/4"-20 external thread size, supplied in a 10-pack. It features 2 keys, plain finish, coarse thread, and…
SKU 3G-OTH-531744
Also listed as: 217076291 · 217 076291
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 heavy-wall, mil-spec insert with #6-32 internal thread size and 1/4"-20 external thread size, supplied in a 10-pack. It features 2 keys, plain finish, coarse thread, and meets MIL-I-45914A (MS51831) standards. Made from 303 stainless steel with 2A external and 3B internal thread fits, it is compatible with a 1/4"-20 tap.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert repairs or reinforces threads in metal assemblies, providing a durable threaded hole that resists vibration loosening. The APPROVED VENDOR heavy-wall insert with 2 keys is used in aerospace, defense, and industrial applications requiring MIL-I-45914A (MS51831) compliance.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has #6-32 internal thread size and 1/4"-20 external thread size, with 2 keys and plain finish. It meets MIL-I-45914A (MS51831) standards, is made from 303 stainless steel, and has 2A external and 3B internal thread fits. Supplied in a 10-pack.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver mil-spec inserts like the 217-076291 to any location. Contact us for pricing and lead time.
How to install a key locking insert?
Installation requires tapping a hole to the specified compatible tap size (1/4"-20 for this insert), then driving the insert using a key-locking installation tool until the keys engage the parent material. Follow MIL-I-45914A guidelines for proper torque and final inspection.
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.