OEM Key Locking Insert: Heavy Wall
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. key-locking insert with 4 keys, a 1"-8 internal thread size, and a 1 3/8"-12 external thread size. It is made from 18-8 material, has a plain finish…
SKU 3G-OTH-531676
Also listed as: 217077311 · 217 077311
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 heavy-wall, mil. spec. key-locking insert with 4 keys, a 1"-8 internal thread size, and a 1 3/8"-12 external thread size. It is made from 18-8 material, has a plain finish, and meets MS51831-101L standards. Supplied as a 10-pack, it requires a 1-19/64 in drill bit and a 1-3/8"-12 tap, with external thread fit 2A and internal thread fit 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 heavy-wall key locking insert repairs or reinforces tapped threads in metal assemblies, particularly in aerospace and defense applications. Its four keys lock the insert into the parent material to prevent rotation under vibration. It meets MS51831-101L standards for mil. spec. repairs.
What are the specifications of the APPROVED VENDOR key locking insert?
This 10-pack insert has a 1"-8 internal thread and 1 3/8"-12 external thread, heavy wall, 18-8 material, plain finish, and four keys. It requires a 1-19/64 in drill bit and a 1-3/8"-12 tap. External thread fit is 2A; internal thread fit is 3B. Meets MS51831-101L.
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 reaches any international destination. Contact us for availability and lead time on this MS51831-101L compliant insert.
How to install an APPROVED VENDOR key locking insert?
Drill a hole using a 1-19/64 in bit, tap it with a 1-3/8"-12 tap, then thread the insert into the hole. Use the included keys to lock the insert into the parent material by driving them into the pre-cut slots. Ensure the insert is flush or slightly below the surface for proper thread engagement.
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.