SPEC Extension Spring: Music Wire, 3 in Free Lg, 0.041 in Wire Dia, 0.36 in O.D.
The SPEC Machine Hook Extension Spring (SKU 3G-OTH-681397) is a music-wire spring with a 3 in free length, 0.041 in wire diameter, 0.36 in O.D., oil finish, and comes in a 5-pack (MPN MH03600413000M). 3G Electric…
SKU 3G-OTH-681397
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 SPEC Machine Hook Extension Spring (SKU 3G-OTH-681397) is a music-wire spring with a 3 in free length, 0.041 in wire diameter, 0.36 in O.D., oil finish, and comes in a 5-pack (MPN MH03600413000M). 3G Electric interprets demand and delivers this and thousands of other industrial components across 14 departments — machining, electrical, power transmission, material handling, plumbing, HVAC & refrigeration, pneumatics, hydraulics, pumps, instrumentation, test & measurement, welding, lighting, and combustion/burner systems — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is a SPEC machine hook extension spring used for?
A SPEC machine hook extension spring is used to provide tension in industrial assemblies, such as counterbalances, door returns, and conveyor systems. Its music-wire construction and oil finish suit general-purpose applications across machining, material handling, and other plant equipment.
What are the specifications of the SPEC extension spring 3G-OTH-681397?
The SPEC extension spring (SKU 3G-OTH-681397) has a 3 in free length, 0.041 in wire diameter, 0.36 in O.D., oil finish, and comes in a 5-pack. The manufacturer part number is MH03600413000M. It is made of music wire for consistent tension performance.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine components like the 3G-OTH-681397 and deliver them to your facility, regardless of location.
How to select the right extension spring for an application?
To select the right extension spring, match free length, wire diameter, and outside diameter to your assembly's tension requirements. The SPEC 3G-OTH-681397 with 3 in free length and 0.041 in wire diameter suits moderate-load applications. Always verify hook style and finish compatibility with your environment.
SPEC Products
3G Electric supplies SPEC machine hook extension springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
