SPEC Standard Disc Spring, 90.5 mm I.D., 139 mm O.D., Carbon Steel, 10 PK
The SPEC Standard Disc Spring (MPN BM139125) is a carbon steel disc spring with a 90.5 mm I.D. and 139 mm O.D., supplied in a 10-pack. 3G Electric interprets customer demand and delivers genuine industrial equipment…
SKU 3G-OTH-681990
Also listed as: BM 139125 · BM-139125
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
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Product Description
The SPEC Standard Disc Spring (MPN BM139125) is a carbon steel disc spring with a 90.5 mm I.D. and 139 mm O.D., supplied in a 10-pack. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like SPEC, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.
Frequently Asked Questions
What is a SPEC disc spring used for?
A SPEC disc spring, like the BM139125, is used to apply a preload or absorb shock in bolted joints, valves, and industrial machinery. Its conical shape provides high load capacity in limited space, making it ideal for heavy equipment, pumps, and controls applications across 14 industrial departments.
What are the specifications of the SPEC BM139125 disc spring?
The SPEC BM139125 disc spring has a 139 mm O.D. and 90.5 mm I.D., made of carbon steel, and comes in a 10-pack. It is a standard disc spring designed for consistent load deflection. 3G Electric supplies this genuine SPEC part alongside brands like Schneider, ABB, and Siemens.
Where to buy SPEC disc springs worldwide?
3G Electric supplies SPEC disc springs, including the BM139125, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine parts across 14 departments, ensuring you get the right product for your application.
How to select the right SPEC disc spring for an application?
To select the right SPEC disc spring, match the O.D., I.D., and material to your load and space requirements. The BM139125 carbon steel spring suits general industrial use. Consult 3G Electric for guidance on sizing and stacking to achieve desired deflection and force in your machinery.
SPEC Products
3G Electric supplies SPEC standard disc springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
