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

SPEC Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.148 in Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.148 in Wire Dia

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring (MPN H12501484500S) with a 1.25 in O.D., 4 1/2 in free length, 0.148 in wire diameter, and a plain finish. 3G Electric sources this…

SKU 3G-OTH-681744

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.148 in Wire Dia
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
H12501484500S
O.D
1.25 in
Finish
Plain
Free Lg
4 1/2 in
Wire Dia
0.148 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 302 Stainless Steel machine hook extension spring (MPN H12501484500S) with a 1.25 in O.D., 4 1/2 in free length, 0.148 in wire diameter, and a plain finish. 3G Electric sources this spring across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate specification and supply.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy by resisting a pulling force. It is used in industrial machinery, material handling equipment, and automation systems where a return or tension force is required. 3G Electric supplies this spring across 14 industrial departments.

What are the specifications of the SPEC H12501484500S extension spring?

The SPEC H12501484500S is a 302 stainless steel machine hook extension spring with a 1.25 in O.D., 4 1/2 in free length, 0.148 in wire diameter, and a plain finish. It is designed for applications requiring corrosion resistance and consistent tension.

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 spring across 14 departments, ensuring accurate specification and delivery to your location.

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

To select the right SPEC extension spring, match the free length, wire diameter, and O.D. to your space and load requirements. Consider the material—302 stainless steel offers corrosion resistance. 3G Electric's specialist expertise in combustion, pumps, and controls helps verify the correct spring for your machinery.

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 3/4 in Free Lg, 0.069 in Wire Dia, 0.75 in O.D., 5 PK (MPN MH07500692750M)
SPEC
Extension Spring: Music Wire, 2 3/4 in Free Lg, 0.069 in Wire Dia, 0.75 in O.D., 5 PK (MPN MH07500692750M)
Extension Spring: 302 Stainless Steel, 5 in Free Lg, 0.125 in Wire Dia, 0.75 in O.D. (MPN H07501255000S)
SPEC
Extension Spring: 302 Stainless Steel, 5 in Free Lg, 0.125 in Wire Dia, 0.75 in O.D. (MPN H07501255000S)
Extension Spring: 302 Stainless Steel, 1 1/8 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600371120S)
SPEC
Extension Spring: 302 Stainless Steel, 1 1/8 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600371120S)
Extension Spring: 302 Stainless Steel, 2 in Free Lg, 0.02 in Wire Dia, 0.18 in O.D., 5 PK (MPN H01800202000S)
SPEC
Extension Spring: 302 Stainless Steel, 2 in Free Lg, 0.02 in Wire Dia, 0.18 in O.D., 5 PK (MPN H01800202000S)
Extension Spring: Music Wire, 6 1/2 in Free Lg, 0.207 in Wire Dia, 2 in O.D. (MPN H20002076500M)
SPEC
Extension Spring: Music Wire, 6 1/2 in Free Lg, 0.207 in Wire Dia, 2 in O.D. (MPN H20002076500M)
Extension Spring: 302 Stainless Steel, 3 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN H02400343000S)
SPEC
Extension Spring: 302 Stainless Steel, 3 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN H02400343000S)
Extension Spring: 302 Stainless Steel, 13.9 mm Free Lg, 0.55 mm Wire Dia, 6 mm O.D., 2 PK (MPN HM0600550014S)
SPEC
Extension Spring: 302 Stainless Steel, 13.9 mm Free Lg, 0.55 mm Wire Dia, 6 mm O.D., 2 PK (MPN HM0600550014S)
Extension Spring: 302 Stainless Steel, 15.8 mm Free Lg, 1 mm Wire Dia, 5 mm O.D., 2 PK (MPN HM0501000016S)
SPEC
Extension Spring: 302 Stainless Steel, 15.8 mm Free Lg, 1 mm Wire Dia, 5 mm O.D., 2 PK (MPN HM0501000016S)