OEM Key Locking Insert: Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring 4 keys, a 1/4"-20 internal thread size, and a 1/2"-13 external thread size. It is made from 18-8 material…
SKU 3G-OTH-531770
Also listed as: 217076334 · 217 076334
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The APPROVED VENDOR Key Locking Insert is a Mil. Spec. key-locking insert with an Extra Heavy Wall, featuring 4 keys, a 1/4"-20 internal thread size, and a 1/2"-13 external thread size. It is made from 18-8 material, has a Plain finish, and comes in a 10 PK. This inch-system insert meets MS51830-107L standards, with a compatible tap size of 1/2"-13, external thread fit of 2A, and internal thread fit of 3B.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an APPROVED VENDOR Key Locking Insert used for?
This Mil. Spec. key-locking insert repairs or reinforces tapped holes in metal assemblies, especially where high pull-out strength is needed. The extra heavy wall and 4 keys lock it securely in place, making it suitable for aerospace, defense, and heavy machinery applications that demand MS51830-107L compliance.
What are the specifications of the APPROVED VENDOR Key Locking Insert 217-076334?
This insert has a 1/4"-20 internal thread and 1/2"-13 external thread, with an extra heavy wall and 4 keys. It is made from 18-8 stainless steel, plain finish, and meets MS51830-107L. The external thread fit is 2A, internal fit is 3B, and compatible tap size is 1/2"-13. Sold in a 10-pack.
Where to buy APPROVED VENDOR Key Locking Inserts worldwide?
3G Electric supplies and delivers APPROVED VENDOR Key Locking Inserts worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to ensure these Mil. Spec. inserts reach your facility, whether for aerospace maintenance or defense contracting.
How to install an APPROVED VENDOR Key Locking Insert?
Installation requires tapping the hole to the compatible tap size (1/2"-13), then threading the insert in using a key-locking insert driver. The 4 keys must be set into the pre-cut keyways to prevent rotation. Use thread locking compound for vibration resistance. Follow MS51830-107L guidelines for torque values.
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.