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

SPEC Standard Disc Spring, 29.7 mm O.D., Carbon Steel, 25 PK - Standard Disc Springs

SPECStandard Disc Springs

SPEC Standard Disc Spring, 29.7 mm O.D., Carbon Steel, 25 PK

The SPEC Standard Disc Spring (SKU BM297040, MPN BM297040) is a carbon steel disc spring with a 17.3 mm I.D. and 29.7 mm O.D., supplied in a pack of 25. 3G Electric interprets your demand for this OEM-specified…

SKU 3G-OTH-681836

Also listed as: BM 297040 · BM-297040

Brand

SPEC

Item

Standard Disc Spring, 29.7 mm O.D., Carbon Steel, 25 PK

Category

Standard Disc Springs

Available to Order

Trade pricing by quote — replies within 24h

Qty

WhatsApp an engineer Message via Telegram

No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.

Create free account →Log in

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

BM297040 

Type

Carbon Steel, 25 PK 

O.D.

29.7 mm 

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 Standard Disc Spring (SKU BM297040, MPN BM297040) is a carbon steel disc spring with a 17.3 mm I.D. and 29.7 mm O.D., supplied in a pack of 25. 3G Electric interprets your demand for this OEM-specified component and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a SPEC disc spring used for?

A SPEC disc spring, such as the BM297040, is used to absorb heavy loads in limited axial spaces, providing high force in applications like valves, clutches, and bolted joints across industrial machinery. 3G Electric supplies this component globally.

What are the specifications of the SPEC disc spring BM297040?

The SPEC disc spring BM297040 has a 17.3 mm I.D. and 29.7 mm O.D., made of carbon steel, and comes in a pack of 25. It is a standard disc spring designed for precise load deflection in OEM equipment.

Where to buy SPEC disc springs in worldwide?

3G Electric supplies SPEC disc springs worldwide, handling full logistics and customs clearance. We source genuine OEM components like the BM297040 across 14 industrial departments, ensuring you get the right part for your application.

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

To select the right SPEC disc spring, match the I.D., O.D., and thickness to your assembly's space and load requirements. Consider material—carbon steel for general use—and stack configuration. 3G Electric can help interpret your demand and source the correct part.

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.

Browse all SPEC products →Contact our engineers →

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description

Standard disc spring with 126 mm inner diameter and 179 mm outer diameter, made of carbon steel. Supplied in a pack of 10. Used to absorb shock, compensate for thermal expansion, or maintain preload in bolted joints and mechanical assemblies in industrial equipment

Standard disc spring with 126 mm inner diameter and 179 mm outer diameter, made of carbon steel. Supplied in a pack of 10. Used to absorb shock, compensate for thermal expansion, or maintain preload in bolted joints and mechanical assemblies in industrial equipment

Carbon steel disc spring with 119 mm outer diameter and 75.5 mm inner diameter. Supplied in a pack of 10. Used for absorbing heavy loads in confined spaces, providing preload or vibration damping in bolted joints, valves, and clutches

Carbon steel disc spring with 119 mm outer diameter and 75.5 mm inner diameter. Supplied in a pack of 10. Used for absorbing heavy loads in confined spaces, providing preload or vibration damping in bolted joints, valves, and clutches

Standard disc spring with 8.2 mm inner diameter and 23 mm outer diameter, made of carbon steel. Supplied in a pack of 25. Used in applications requiring high load capacity within limited axial space, such as bolted joints, valves, and clutches

Standard disc spring with 8.2 mm inner diameter and 23 mm outer diameter, made of carbon steel. Supplied in a pack of 25. Used in applications requiring high load capacity within limited axial space, such as bolted joints, valves, and clutches

Carbon steel disc spring with 18 mm outer diameter and 9.2 mm inner diameter, supplied in a pack of 25. Designed for applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches, to maintain preload, absorb vibration, and compensate for thermal expansion

Carbon steel disc spring with 18 mm outer diameter and 9.2 mm inner diameter, supplied in a pack of 25. Designed for applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches, to maintain preload, absorb vibration, and compensate for thermal expansion

Carbon steel disc spring with 18.3 mm inner diameter and 35.5 mm outer diameter. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery

Carbon steel disc spring with 18.3 mm inner diameter and 35.5 mm outer diameter. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery

This carbon steel disc spring has an 18 mm outer diameter and 8.2 mm inner diameter, supplied in a pack of 25. Its conical shape provides high load capacity in a compact space, suitable for preloading bolted joints, absorbing shock, or applying force in valves and industrial machinery

This carbon steel disc spring has an 18 mm outer diameter and 8.2 mm inner diameter, supplied in a pack of 25. Its conical shape provides high load capacity in a compact space, suitable for preloading bolted joints, absorbing shock, or applying force in valves and industrial machinery

More from SPEC

View all SPEC parts →

Standard disc spring made of carbon steel with an outer diameter of 238 mm and inner diameter of 161 mm. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery

Standard disc spring made of carbon steel with an outer diameter of 238 mm and inner diameter of 161 mm. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery

Standard disc spring with 20 mm outer diameter and 8.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used to absorb heavy loads in limited axial spaces, providing high force in applications such as valves, clutches, and bolted joints

Standard disc spring with 20 mm outer diameter and 8.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used to absorb heavy loads in limited axial spaces, providing high force in applications such as valves, clutches, and bolted joints

Standard disc spring made of carbon steel with an outer diameter of 56 mm. Supplied in a pack of 10. Used to absorb heavy loads in limited axial space, commonly applied in bolted joints, valves, and clutch assemblies

Standard disc spring made of carbon steel with an outer diameter of 56 mm. Supplied in a pack of 10. Used to absorb heavy loads in limited axial space, commonly applied in bolted joints, valves, and clutch assemblies

Standard disc spring with 8 mm outer diameter and 4.2 mm inner diameter, made of stainless steel. Supplied in a pack of 25 pieces. Used in applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches

Standard disc spring with 8 mm outer diameter and 4.2 mm inner diameter, made of stainless steel. Supplied in a pack of 25 pieces. Used in applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches

Carbon steel disc spring with 35.5 mm I.D. and 70 mm O.D., supplied in a 10-pack. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery where high load capacity is needed in limited axial space

Carbon steel disc spring with 35.5 mm I.D. and 70 mm O.D., supplied in a 10-pack. Used to apply preload or absorb shock in bolted joints, valves, and industrial machinery where high load capacity is needed in limited axial space

Standard disc spring with 15.8 mm outer diameter and 8.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used in bolted joints, valves, and clutches to provide preload or absorb vibration in limited axial space

Standard disc spring with 15.8 mm outer diameter and 8.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used in bolted joints, valves, and clutches to provide preload or absorb vibration in limited axial space

Carbon steel disc spring with 71 mm outer diameter and 36 mm inner diameter, supplied in a pack of 10. Designed to absorb heavy loads in limited axial spaces, commonly used in bolted joints, valves, and clutches

Carbon steel disc spring with 71 mm outer diameter and 36 mm inner diameter, supplied in a pack of 10. Designed to absorb heavy loads in limited axial spaces, commonly used in bolted joints, valves, and clutches

Standard disc spring with 10 mm outer diameter and 5.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used for preload and deflection control in bolted joints, valves, and pump assemblies

Standard disc spring with 10 mm outer diameter and 5.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used for preload and deflection control in bolted joints, valves, and pump assemblies