SPEC Belleville Spring: 1.31 in I.D., 4 in O.D., Carbon Steel, 10 PK (MPN B40003120)
The SPEC Belleville Spring (MPN B40003120) is a carbon steel disc spring with a 1.31 in I.D. and 4 in O.D., supplied in a 10-pack. 3G Electric interprets this demand and delivers genuine industrial components across…
SKU 3G-OTH-745330
Also listed as: B 40003120 · B-40003120
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.
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Product Description
The SPEC Belleville Spring (MPN B40003120) is a carbon steel disc spring with a 1.31 in I.D. and 4 in O.D., supplied in a 10-pack. 3G Electric interprets this demand and delivers genuine industrial components across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.
Frequently Asked Questions
What is a SPEC Belleville Spring used for?
A SPEC Belleville Spring (MPN B40003120) is a disc spring used to apply preload in bolted joints, absorb vibration, or compensate for thermal expansion in industrial machinery. 3G Electric supplies this carbon steel spring across 14 departments, with specialist depth in combustion, pumps, and controls.
What are the specifications of the SPEC Belleville Spring B40003120?
The SPEC Belleville Spring B40003120 has a 4 in O.D. and a 1.31 in I.D., made of carbon steel, and comes in a 10-pack. It is a disc spring designed for high-load applications in tight spaces. 3G Electric sources genuine SPEC components for global delivery.
Where to buy SPEC Belleville Springs worldwide?
3G Electric supplies SPEC Belleville Springs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver genuine components like the B40003120 across 14 departments, including specialist expertise in combustion, pumps, and controls.
How to select the right Belleville Spring for an application?
To select the right Belleville Spring, match the O.D., I.D., and material to your load and deflection requirements. The SPEC B40003120 (4 in O.D., 1.31 in I.D., carbon steel) suits moderate loads. 3G Electric can help you choose from brands like SPEC, Schneider, and SKF for your specific machinery needs.
SPEC Products
3G Electric supplies SPEC belleville springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
