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

SPEC MH05000373000M Machine Hook Extension Spring - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC MH05000373000M Machine Hook Extension Spring

The SPEC Machine Hook Extension Spring (MPN MH05000373000M) is a music-wire spring with a 3 in free length, 0.037 in wire diameter, and 0.5 in O.D., supplied in a 5-pack with an oil finish. 3G Electric sources this…

SKU 3G-OTH-679278

Brand
SPEC
Item
MH05000373000M Machine Hook Extension Spring
Part Number
MH05000373000M
Category
Machine Hook 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

Technical Specifications

SPEC
Manufacturer Part Number
MH05000373000M
Type
5 PK
O.D.
0.5 in
Finish
Oil
Free Lg
3 in
Wire Dia
0.037 in

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 Machine Hook Extension Spring (MPN MH05000373000M) is a music-wire spring with a 3 in free length, 0.037 in wire diameter, and 0.5 in O.D., supplied in a 5-pack with an oil finish. 3G Electric sources this and other industrial components across 14 departments, with specialist expertise in combustion, pumps, and controls to ensure you get the right part for your application.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to provide a pulling force in industrial machinery, such as in conveyor systems, packaging equipment, and automotive assemblies. It stores energy when stretched and returns to its original length, making it ideal for counterbalancing, tensioning, and return mechanisms.

What are the specifications of the SPEC MH05000373000M extension spring?

The SPEC MH05000373000M is a music-wire extension spring with a 3 in free length, 0.037 in wire diameter, and 0.5 in O.D. It comes in a 5-pack with an oil finish. These specs ensure consistent tension and durability in demanding industrial 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 solutions provider, we source this and other components across 14 departments, including combustion, pumps, and controls, to deliver the right part to your facility.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, and O.D. to your load and space requirements. Consider the material—music wire offers high tensile strength. For precise tension, consult the manufacturer's load-deflection data. 3G Electric can help interpret your needs and source the correct SPEC spring.

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

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SPEC

View all SPEC parts
This extension spring features machine hooks for secure attachment. Made from music wire with an oil finish, it provides consistent pulling force in tension applications. Suitable for use in industrial machinery, conveyors, and packaging equipment where reliable extension force is required
SPEC
This extension spring features machine hooks for secure attachment. Made from music wire with an oil finish, it provides consistent pulling force in tension applications. Suitable for use in industrial machinery, conveyors, and packaging equipment where reliable extension force is required
This extension spring features machine hooks on both ends for tension applications in mechanical assemblies. It is made of 302 stainless steel with a plain finish, offering corrosion resistance. Typical uses include counterbalances, latches, and industrial equipment where consistent tensile force is required
SPEC
This extension spring features machine hooks on both ends for tension applications in mechanical assemblies. It is made of 302 stainless steel with a plain finish, offering corrosion resistance. Typical uses include counterbalances, latches, and industrial equipment where consistent tensile force is required
Music wire extension spring with machine hooks. Free length 2 1/4 in, wire diameter 0.055 in, outside diameter 0.85 in. Oil finish. Supplied in a pack of 3. Used to provide pulling force in assemblies such as counterbalances and garage doors
SPEC
Music wire extension spring with machine hooks. Free length 2 1/4 in, wire diameter 0.055 in, outside diameter 0.85 in. Oil finish. Supplied in a pack of 3. Used to provide pulling force in assemblies such as counterbalances and garage doors
This 3-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 1-1/2 inches, a wire diameter of 0.026 inches, and an outer diameter of 0.24 inches. Commonly used to provide pulling force in industrial machinery, conveyors, and packaging equipment
SPEC
This 3-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 1-1/2 inches, a wire diameter of 0.026 inches, and an outer diameter of 0.24 inches. Commonly used to provide pulling force in industrial machinery, conveyors, and packaging equipment
This SPEC extension spring is made of music wire with machine hooks on each end. It has a 0.5 mm wire diameter, 5.5 mm outer diameter, and 15.7 mm free length, with an oil finish. Supplied as a 2-pack, it is used to provide tension in mechanical assemblies such as counterbalances, garage doors, and industrial equipment
SPEC
This SPEC extension spring is made of music wire with machine hooks on each end. It has a 0.5 mm wire diameter, 5.5 mm outer diameter, and 15.7 mm free length, with an oil finish. Supplied as a 2-pack, it is used to provide tension in mechanical assemblies such as counterbalances, garage doors, and industrial equipment
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.063 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500633500M)
SPEC
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.063 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500633500M)
This extension spring features machine hooks and is constructed from music wire with an oil finish. It has a wire diameter of 0.135 in, an outside diameter of 1.25 in, and a free length of 6 1/2 in. Commonly used in industrial machinery, material handling equipment, and automation systems to store and release energy by resisting pulling forces
SPEC
This extension spring features machine hooks and is constructed from music wire with an oil finish. It has a wire diameter of 0.135 in, an outside diameter of 1.25 in, and a free length of 6 1/2 in. Commonly used in industrial machinery, material handling equipment, and automation systems to store and release energy by resisting pulling forces
Extension spring with machine hooks, 302 stainless steel, plain finish. Free length 6 1/2 in, wire diameter 0.095 in, outer diameter 1 in. Provides tension and return motion in industrial machinery, automotive assemblies, and material handling equipment
SPEC
Extension spring with machine hooks, 302 stainless steel, plain finish. Free length 6 1/2 in, wire diameter 0.095 in, outer diameter 1 in. Provides tension and return motion in industrial machinery, automotive assemblies, and material handling equipment