Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
SPEC E03000491000M Crossover Center Loop Extension Spring - Crossover Center Loop Extension Springs
SPECCrossover Center Loop Extension Springs

SPEC E03000491000M Crossover Center Loop Extension Spring

The SPEC Extension Spring: Crossover Center Loop End is a music wire spring with a 1 in free length and 0.049 in wire diameter, supplied in a 10-pack. It features an oil finish and is identified by manufacturer part…

SKU 3G-OTH-744551

Brand
SPEC
Item
E03000491000M Crossover Center Loop Extension Spring
Part Number
E03000491000M
Category
Crossover Center Loop Extension Springs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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
E03000491000M
Type
Music Wire, 10 PK
Material
Music Wire
Finish
Oil
UNSPSC
31161907
Free Lg
1 in
End Type
Crossover Center Loop
Wire Dia
0.049 in
Standards
AMS 5112; ASTM A228
Free Length
1 in Free Length This refers to the entire spring length when no force is acting on it.
Spring Rate
50.7 lb/in 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
0.049 in Wire Diameter
Extended Length
1-9/32 in
Initial Tension
1.4 lbf
Outside Diameter
0.3 in
Country of Origin
China (subject to change)
System of Measurement
Inch

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SPEC Extension Spring: Crossover Center Loop End is a music wire spring with a 1 in free length and 0.049 in wire diameter, supplied in a 10-pack. It features an oil finish and is identified by manufacturer part number E03000491000M.

Frequently Asked Questions

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

A SPEC crossover center loop extension spring provides controlled tension in industrial machinery, conveyors, and automation systems. Its music wire construction and oil finish suit general-purpose applications requiring reliable force over a 1-inch free length.

What are the specifications of the SPEC extension spring E03000491000M?

This SPEC extension spring has a 0.049 in wire diameter, 1 in free length, crossover center loop ends, and an oil finish. It is made of music wire and comes in a 10-pack. The manufacturer part number is E03000491000M.

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 and deliver genuine parts like the E03000491000M to any location. Contact us for availability and delivery options.

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 E03000491000M offers a 1-inch free length and 0.049-inch wire diameter. Ensure the oil finish suits your environment. Consult a spring selection guide for precise force calculations.

Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SPEC

View all SPEC parts →
This SPEC extension spring features crossover center loop ends for tension and return force applications. Made from 302 stainless steel with a passivated finish, it offers corrosion resistance. Free length is 5 inches, outer diameter is 0.5 inches. Sold in a pack of 2
SPEC
This SPEC extension spring features crossover center loop ends for tension and return force applications. Made from 302 stainless steel with a passivated finish, it offers corrosion resistance. Free length is 5 inches, outer diameter is 0.5 inches. Sold in a pack of 2
Music wire crossover center loop extension springs with oil finish. Each spring has a 4 in free length and 0.034 in wire diameter. Sold in a pack of 3. Used to provide controlled tension in applications such as conveyor systems, agricultural equipment, and automotive assemblies
SPEC
Music wire crossover center loop extension springs with oil finish. Each spring has a 4 in free length and 0.034 in wire diameter. Sold in a pack of 3. Used to provide controlled tension in applications such as conveyor systems, agricultural equipment, and automotive assemblies
This 3-pack of extension springs features a crossover center loop end design. Made from 302 stainless steel with a passivated finish, each spring has a free length of 7/8 inch. Suitable for applications requiring corrosion resistance and consistent tension, such as in machinery and material handling equipment
SPEC
This 3-pack of extension springs features a crossover center loop end design. Made from 302 stainless steel with a passivated finish, each spring has a free length of 7/8 inch. Suitable for applications requiring corrosion resistance and consistent tension, such as in machinery and material handling equipment
Extension spring with crossover center loop ends, made of 302 stainless steel. Free length 12.5 mm, outer diameter 3.5 mm, plain finish. Supplied as a pack of 2. Used in industrial machinery, automation, and material handling systems where corrosion resistance and compact design are required
SPEC
Extension spring with crossover center loop ends, made of 302 stainless steel. Free length 12.5 mm, outer diameter 3.5 mm, plain finish. Supplied as a pack of 2. Used in industrial machinery, automation, and material handling systems where corrosion resistance and compact design are required
This 3-pack of music wire extension springs features crossover center loop ends for secure attachment. Each spring has a 3-inch free length and 0.069-inch wire diameter, with an oil finish. Commonly used in industrial machinery, conveyor systems, and agricultural equipment to provide pulling force between components
SPEC
This 3-pack of music wire extension springs features crossover center loop ends for secure attachment. Each spring has a 3-inch free length and 0.069-inch wire diameter, with an oil finish. Commonly used in industrial machinery, conveyor systems, and agricultural equipment to provide pulling force between components
This 302 stainless steel extension spring features crossover center loop ends and a passivated finish. With a 0.24 in outer diameter and 5/8 in free length, it is supplied in a 5-pack. Typical applications include tensioning in mechanical assemblies such as counterbalances, latch returns, and conveyor systems
SPEC
This 302 stainless steel extension spring features crossover center loop ends and a passivated finish. With a 0.24 in outer diameter and 5/8 in free length, it is supplied in a 5-pack. Typical applications include tensioning in mechanical assemblies such as counterbalances, latch returns, and conveyor systems
Extension spring with crossover center loop ends, made from music wire with an oil finish. Free length of 1 inch and wire diameter of 0.031 inches. Supplied in a pack of 10. Used to provide tension in mechanical assemblies such as industrial machinery, automotive components, and agricultural equipment
SPEC
Extension spring with crossover center loop ends, made from music wire with an oil finish. Free length of 1 inch and wire diameter of 0.031 inches. Supplied in a pack of 10. Used to provide tension in mechanical assemblies such as industrial machinery, automotive components, and agricultural equipment
Music wire extension spring with crossover center loop ends. Oil finish. Free length 3 1/2 in, wire diameter 0.049 in. Sold in packs of 3. Used in industrial machinery for pulling force applications such as material handling, packaging equipment, and automotive assemblies
SPEC
Music wire extension spring with crossover center loop ends. Oil finish. Free length 3 1/2 in, wire diameter 0.049 in. Sold in packs of 3. Used in industrial machinery for pulling force applications such as material handling, packaging equipment, and automotive assemblies

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first