We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SPEC Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.034 in Wire Dia, 0.24 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-679198, MPN MH02400341120M). It features a 1 1/8 in free length, 0.034 in wire diameter, 0.24 in outer…

SKU 3G-OTH-679198

Brand
SPEC
Item
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D.
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

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.

Technical Specifications

SPEC
Manufacturer Part Number
MH02400341120M
Type
5 PK
O.D.
0.24 in
Finish
Oil
Free Lg
1 1/8 in
Wire Dia
0.034 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 Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (SKU 3G-OTH-679198, MPN MH02400341120M). It features a 1 1/8 in free length, 0.034 in wire diameter, 0.24 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 offers high tensile strength and fatigue resistance for repeated extension cycles.

What are the specifications of the SPEC extension spring 828MK1?

The SPEC extension spring (SKU 828MK1, MPN MH02400341120M) has a free length of 1 1/8 in, wire diameter of 0.034 in, outer diameter of 0.24 in, and an oil finish. It is a 5-pack of music wire machine hook springs.

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 828MK1 5-pack to any destination. Contact us for a quote and delivery timeline.

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

To select the right SPEC extension spring, match free length, wire diameter, and outer diameter to your assembly's space and load requirements. The oil finish provides basic corrosion resistance. For high-cycle applications, verify the spring's maximum extended length and load capacity from the manufacturer's data.

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
Extension Spring: Music Wire, 2 1/4 in Free Lg, 0.063 in Wire Dia, 0.65 in O.D., 3 PK (MPN MH06500632250M)
SPEC
Extension Spring: Music Wire, 2 1/4 in Free Lg, 0.063 in Wire Dia, 0.65 in O.D., 3 PK (MPN MH06500632250M)
Extension Spring: 302 Stainless Steel, 200.5 mm Free Lg, 0.8 mm Wire Dia, 9 mm O.D., 2 PK (MPN HM0900800201S)
SPEC
Extension Spring: 302 Stainless Steel, 200.5 mm Free Lg, 0.8 mm Wire Dia, 9 mm O.D., 2 PK (MPN HM0900800201S)
Extension Spring: Music Wire, 46 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D., 2 PK (MPN HM2001800046M)
SPEC
Extension Spring: Music Wire, 46 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D., 2 PK (MPN HM2001800046M)
Extension Spring: Music Wire, 284 mm Free Lg, 3.2 mm Wire Dia, 22 mm O.D. (MPN HM2203200284M)
SPEC
Extension Spring: Music Wire, 284 mm Free Lg, 3.2 mm Wire Dia, 22 mm O.D. (MPN HM2203200284M)
Extension Spring: Music Wire, 228.6 mm Free Lg, 2.2 mm Wire Dia, 11 mm O.D. (MPN HM1102200229M)
SPEC
Extension Spring: Music Wire, 228.6 mm Free Lg, 2.2 mm Wire Dia, 11 mm O.D. (MPN HM1102200229M)
Extension Spring: 302 Stainless Steel, 4 in Free Lg, 0.105 in Wire Dia, 1 in O.D. (MPN H10001054000S)
SPEC
Extension Spring: 302 Stainless Steel, 4 in Free Lg, 0.105 in Wire Dia, 1 in O.D. (MPN H10001054000S)
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.207 in Wire Dia, 1.75 in O.D. (MPN H17502075500M)
SPEC
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.207 in Wire Dia, 1.75 in O.D. (MPN H17502075500M)
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.095 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500955500M)
SPEC
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.095 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500955500M)