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OEM APPROVED VENDOR Key Locking Insert - Mil. Spec. Key-Locking Inserts
OEMMil. Spec. Key-Locking Inserts

OEM APPROVED VENDOR Key Locking Insert

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, plain finish, and a 10-pack quantity. It features a 7/8"-9 internal thread size and a 1 1/4"-12 external thread size, with coarse…

SKU 3G-OTH-531730

Also listed as: 217076310 · 217 076310

Brand
OEM
Item
APPROVED VENDOR Key Locking Insert
Part Number
217-076310
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical specs
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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

Technical Specifications

OEM
Manufacturer Part Number
217-076310
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
1 1/4"-12
Finish Type
Plain
Int Thrd Sz
7/8"-9
Thread Type
Coarse
Drill Bit Size
1-11/64 in
Industry Standards
MS51831-210
Compatible Tap Size
1-1/4"-12
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Inch

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, plain finish, and a 10-pack quantity. It features a 7/8"-9 internal thread size and a 1 1/4"-12 external thread size, with coarse thread type, 18-8 material grade, and compliance with MS51831-210. Compatible with a 1-1/4"-12 tap and a 1-11/64 in drill bit, it meets 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 is used to repair or reinforce stripped threads in metal assemblies, particularly in aerospace, defense, and industrial equipment. The 4 keys lock the insert into the parent material, preventing rotation under vibration. It meets mil-spec MS51831-210 for critical threaded connections.

What are the specifications of the APPROVED VENDOR 217-076310 Key Locking Insert?

This 10-pack insert has a 7/8"-9 internal thread and a 1 1/4"-12 external thread, both coarse. It is made of 18-8 stainless steel with a plain finish, heavy wall, and 4 keys. It meets MS51831-210, requires a 1-11/64 in drill bit, and has external thread fit 2A and internal thread fit 3B.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies APPROVED VENDOR key locking inserts worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 217-076310 10-pack or other mil-spec inserts.

How to install a heavy-wall key locking insert?

Drill the hole to the specified size (1-11/64 in for this insert), tap it with a 1-1/4"-12 tap, then drive the insert into the tapped hole using a compatible installation tool. The 4 keys will engage the parent material to lock the insert in place. Follow MS51831-210 guidelines for torque and final inspection.

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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.

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