SPEC Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.055 in Wire Dia, 0.3 in O.D.
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (SKU 3G-OTH-680575, MPN MH03000552500M). It features a 2 1/2 in free length, 0.055 in wire diameter, 0.3 in outer…
SKU 3G-OTH-680575
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 Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (SKU 3G-OTH-680575, MPN MH03000552500M). It features a 2 1/2 in free length, 0.055 in wire diameter, 0.3 in outer diameter, and an oil finish.
Frequently Asked Questions
What is a SPEC extension spring used for?
A SPEC extension spring with machine hooks is used to provide pulling force in industrial assemblies, such as counterbalances, garage doors, and agricultural equipment. The music wire construction and oil finish offer corrosion resistance and consistent tension across repeated cycles.
What are the specifications of the SPEC extension spring 828MV9?
The SPEC extension spring (SKU 828MV9, MPN MH03000552500M) has a 2 1/2 in free length, 0.055 in wire diameter, 0.3 in outer diameter, and an oil finish. It is a 5-pack of music wire machine hook springs, suitable for moderate-load tension applications.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine SPEC parts like the MH03000552500M 5-pack to facilities across 14 departments, including machining and material handling.
How to select the right SPEC extension spring for an application?
To select the correct SPEC extension spring, match free length, wire diameter, and outer diameter to your assembly's required travel and load. The 0.055 in wire diameter and 2 1/2 in free length suit moderate-force uses. Always verify hook type 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.
