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SPEC Extension Spring: Crossover Center Loop End - Crossover Center Loop Extension Springs
SPECCrossover Center Loop Extension Springs

SPEC Extension Spring: Crossover Center Loop End

The SPEC Extension Spring: Crossover Center Loop End is a music wire, 2 PK spring with a free length of 54.2 mm and a wire diameter of 0.8 mm, finished in oil. This crossover center loop end extension spring is…

SKU 3G-OTH-744530

Brand
SPEC
Item
Extension Spring: Crossover Center Loop End
Part Number
EM0550800054M
Category
Crossover Center Loop Extension Springs
Available to Order
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Worldwide Shipping
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Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

SPEC
Manufacturer Part Number
EM0550800054M
Type
Music Wire, 2 PK
Material
Music Wire
Finish
Oil
UNSPSC
31161907
Free Lg
54.2 mm
End Type
Crossover Center Loop
Wire Dia
0.8 mm
Standards
ASTM A228; EN 10270-1; JIS G3522 SWP - A/B
Free Length
54.2 mm Free Length This refers to the entire spring length when no force is acting on it.
Spring Rate
0.67 N/mm Spring Rate This refers to how much the spring moves when pulled by a known load or force.
Catalog Page
N/A
Product Type
Extension Spring
Wire Diameter
0.8 mm Wire Diameter
Extended Length
90.94 mm
Outside Diameter
5.5 mm
Country of Origin
China (subject to change)
System of Measurement
Metric

Technical Documents

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

Product Description

The SPEC Extension Spring: Crossover Center Loop End is a music wire, 2 PK spring with a free length of 54.2 mm and a wire diameter of 0.8 mm, finished in oil. This crossover center loop end extension spring is supplied as a 2-pack under manufacturer part number EM0550800054M.

Frequently Asked Questions

What is a SPEC crossover center loop extension spring used for?

A SPEC crossover center loop extension spring stores and releases energy to resist pulling forces in industrial machinery, automation, and material handling equipment. Its music wire construction and oil finish provide durability in moderate-load applications where consistent tension is required.

What are the specifications of the SPEC EM0550800054M extension spring?

The SPEC EM0550800054M is a music wire, 2-pack extension spring with a free length of 54.2 mm and a wire diameter of 0.8 mm. It features a crossover center loop end design and an oil finish. The manufacturer part number is EM0550800054M.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine SPEC parts like the EM0550800054M crossover center loop spring to customers anywhere.

How to select the right SPEC extension spring for an application?

To select the right SPEC extension spring, match free length, wire diameter, and end type to your load and space requirements. The EM0550800054M has a 54.2 mm free length and 0.8 mm wire diameter with crossover center loop ends, suitable for applications needing consistent tension in limited space.

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SPEC Products

3G Electric supplies SPEC crossover center loop extension springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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