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

SPEC U3430150 Curved Disc Spring - Curved Disc Springs
SPECCurved Disc Springs

SPEC U3430150 Curved Disc Spring

The SPEC Curved Disc Spring (MPN U3430150) is a carbon steel spring with a 0.36 in I.D. and 0.67 in O.D., supplied in a pack of 25. 3G Electric sources this and other industrial components across 14 departments, with…

SKU 3G-OTH-744787

Also listed as: U 3430150 · U-3430150

Brand
SPEC
Item
U3430150 Curved Disc Spring
Category
Curved Disc 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
U3430150
Type
Carbon Steel, 25 PK
O.D.
0.67 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 Curved Disc Spring (MPN U3430150) is a carbon steel spring with a 0.36 in I.D. and 0.67 in O.D., supplied in a pack of 25. 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 Curved Disc Spring used for?

A SPEC Curved Disc Spring provides preload, vibration dampening, and axial load compensation in assemblies like valves, pumps, and electrical contacts. Its curved shape delivers a predictable spring rate in limited axial space, making it ideal for industrial machinery and control systems.

What are the specifications of the SPEC Curved Disc Spring U3430150?

The SPEC Curved Disc Spring U3430150 has a 0.36 in I.D. and 0.67 in O.D., made of carbon steel, and comes in a pack of 25. These dimensions suit compact applications requiring consistent force in constrained envelopes.

Where to buy SPEC Curved Disc Springs worldwide?

3G Electric supplies SPEC Curved Disc Springs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner across 14 departments, we deliver the right part for your application, including specialist support for combustion, pumps, and controls.

How to select the right Curved Disc Spring for an application?

Select a Curved Disc Spring by matching I.D., O.D., material, and load requirements to your assembly. For the SPEC U3430150, verify the 0.36 in I.D. fits your shaft and the 0.67 in O.D. fits your housing. Carbon steel suits general industrial use; consult 3G Electric for application-specific guidance.

SPEC Products

3G Electric supplies SPEC curved disc 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Carbon steel curved disc spring with 0.55 in outer diameter and 0.3 in inner diameter. Supplied in a pack of 25. Used for controlled axial force in limited-space assemblies such as electrical contacts, valve actuators, and bearing preload applications
SPEC
Carbon steel curved disc spring with 0.55 in outer diameter and 0.3 in inner diameter. Supplied in a pack of 25. Used for controlled axial force in limited-space assemblies such as electrical contacts, valve actuators, and bearing preload applications
Curved disc spring made of carbon steel. Outer diameter 0.49 in, inner diameter 0.27 in. Supplied in a pack of 25. Used for controlled axial load in compact assemblies such as electrical contacts, valve components, and vibration-damping applications
SPEC
Curved disc spring made of carbon steel. Outer diameter 0.49 in, inner diameter 0.27 in. Supplied in a pack of 25. Used for controlled axial load in compact assemblies such as electrical contacts, valve components, and vibration-damping applications
This zero-backlash curved jaw spider has a 1 5/16 in outside diameter and is made of 92A material. It is rated for 0.1110 hp and a maximum speed of 8,000 RPM. Used in jaw couplings to transmit torque between shafts while accommodating minor misalignment and damping vibration in power transmission systems
RULAND MANUFACTURING
This zero-backlash curved jaw spider has a 1 5/16 in outside diameter and is made of 92A material. It is rated for 0.1110 hp and a maximum speed of 8,000 RPM. Used in jaw couplings to transmit torque between shafts while accommodating minor misalignment and damping vibration in power transmission systems
This inch-size curved jaw spider is designed for use in jaw couplings to transmit torque while damping vibration. It features a 1 5/16 in outside diameter, a maximum speed of 8,000 RPM, and is made of 98A material. Suitable for industrial power transmission applications requiring precise motion control
RULAND MANUFACTURING
This inch-size curved jaw spider is designed for use in jaw couplings to transmit torque while damping vibration. It features a 1 5/16 in outside diameter, a maximum speed of 8,000 RPM, and is made of 98A material. Suitable for industrial power transmission applications requiring precise motion control
This inch-size zero-backlash curved jaw spider has a 1 5/16 in outside diameter and is made from 85A material. Rated for 0.0571 hp and a maximum speed of 8,000 RPM, it is used in industrial power transmission systems to connect shafts while dampening vibration and accommodating minor misalignment
RULAND MANUFACTURING
This inch-size zero-backlash curved jaw spider has a 1 5/16 in outside diameter and is made from 85A material. Rated for 0.0571 hp and a maximum speed of 8,000 RPM, it is used in industrial power transmission systems to connect shafts while dampening vibration and accommodating minor misalignment
This zero-backlash curved jaw spider is designed for use with JC10, JS10, MJC15, and MJS15 coupling sizes. It has an outside diameter of 19/32 in and a power rating of 0.0254 hp. The spider transmits torque between shafts while dampening vibration and accommodating minor misalignment in power transmission systems
RULAND MANUFACTURING
This zero-backlash curved jaw spider is designed for use with JC10, JS10, MJC15, and MJS15 coupling sizes. It has an outside diameter of 19/32 in and a power rating of 0.0254 hp. The spider transmits torque between shafts while dampening vibration and accommodating minor misalignment in power transmission systems

More from SPEC

View all SPEC parts
Curved disc spring with 0.67 in outer diameter, made from 301 stainless steel. Supplied in a pack of 25. Used to provide preload and vibration damping in bolted joints, bearings, and valve assemblies
SPEC
Curved disc spring with 0.67 in outer diameter, made from 301 stainless steel. Supplied in a pack of 25. Used to provide preload and vibration damping in bolted joints, bearings, and valve assemblies
Curved disc spring with 0.27 in outer diameter, made from 301 stainless steel. Supplied in a pack of 25. Used for controlled axial force in limited-space assemblies such as electrical contacts, valve actuators, and vibration-damping applications in industrial machinery
SPEC
Curved disc spring with 0.27 in outer diameter, made from 301 stainless steel. Supplied in a pack of 25. Used for controlled axial force in limited-space assemblies such as electrical contacts, valve actuators, and vibration-damping applications in industrial machinery
Curved disc spring with 0.32 in outer diameter, made of 301 stainless steel. Supplied in a pack of 25. Used to provide preload and vibration damping in bolted joints, bearings, and electrical contacts in compact assemblies
SPEC
Curved disc spring with 0.32 in outer diameter, made of 301 stainless steel. Supplied in a pack of 25. Used to provide preload and vibration damping in bolted joints, bearings, and electrical contacts in compact assemblies
Carbon steel curved disc spring with 0.55 in outer diameter, supplied in a pack of 25. Provides preload and vibration damping in bolted joints, bearings, and electrical contacts. Suitable for industrial machinery, automotive assemblies, and valve applications requiring consistent axial force in limited space
SPEC
Carbon steel curved disc spring with 0.55 in outer diameter, supplied in a pack of 25. Provides preload and vibration damping in bolted joints, bearings, and electrical contacts. Suitable for industrial machinery, automotive assemblies, and valve applications requiring consistent axial force in limited space
This curved disc spring is made of carbon steel and has an inner diameter of 0.33 in and outer diameter of 0.74 in. Supplied in a pack of 25, it provides controlled axial load in limited-space assemblies such as clutches, brakes, and valve actuators. Its curved shape delivers a progressive spring rate and compensates for thermal expansion or wear in industrial machinery
SPEC
This curved disc spring is made of carbon steel and has an inner diameter of 0.33 in and outer diameter of 0.74 in. Supplied in a pack of 25, it provides controlled axial load in limited-space assemblies such as clutches, brakes, and valve actuators. Its curved shape delivers a progressive spring rate and compensates for thermal expansion or wear in industrial machinery
This curved disc spring is made from 301 stainless steel, offering corrosion resistance and consistent spring force. With an outer diameter of 0.74 in, it is suited for applications requiring controlled axial load in confined spaces, such as absorbing vibration and compensating for thermal expansion in industrial assemblies. Supplied in a pack of 25
SPEC
This curved disc spring is made from 301 stainless steel, offering corrosion resistance and consistent spring force. With an outer diameter of 0.74 in, it is suited for applications requiring controlled axial load in confined spaces, such as absorbing vibration and compensating for thermal expansion in industrial assemblies. Supplied in a pack of 25
Curved disc spring with 0.37 in outside diameter, made of 301 stainless steel. Supplied in a pack of 25. Used in industrial assemblies to absorb vibration, compensate for thermal expansion, or maintain preload in bolted joints
SPEC
Curved disc spring with 0.37 in outside diameter, made of 301 stainless steel. Supplied in a pack of 25. Used in industrial assemblies to absorb vibration, compensate for thermal expansion, or maintain preload in bolted joints
This curved disc spring is made from 301 stainless steel with an outer diameter of 0.67 in and an inner diameter of 0.4 in. It is supplied in a pack of 25. Curved disc springs are used to provide preload, take-up clearance, and vibration damping in mechanical assemblies such as valves, pumps, and electrical controls
SPEC
This curved disc spring is made from 301 stainless steel with an outer diameter of 0.67 in and an inner diameter of 0.4 in. It is supplied in a pack of 25. Curved disc springs are used to provide preload, take-up clearance, and vibration damping in mechanical assemblies such as valves, pumps, and electrical controls