We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SPEC Compression Spring: 302 Stainless Steel, Cylindrical Shape, 29 mm Lng, 4.63 mm O.D. - Cylindrical Compression Springs
SPECCylindrical Compression Springs

SPEC Compression Spring: 302 Stainless Steel, Cylindrical Shape, 29 mm Lng, 4.63 mm O.D.

The SPEC Compression Spring (SKU 3G-OTH-671590, MPN D21440) is a cylindrical compression spring made from 302 Stainless Steel, supplied in a 10-pack. It measures 29 mm in length with a 4.63 mm outer diameter…

SKU 3G-OTH-671590

Also listed as: D 21440 · D-21440

Brand
SPEC
Item
Compression Spring: 302 Stainless Steel, Cylindrical Shape, 29 mm Lng, 4.63 mm O.D.
Category
Cylindrical Compression 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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SPEC
Manufacturer Part Number
D21440
Type
Cylindrical Shape, 10 PK
Material
302 Stainless Steel
Lng
29 mm
O.D.
4.63 mm
Product Type
Compression Spring

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 Compression Spring (SKU 3G-OTH-671590, MPN D21440) is a cylindrical compression spring made from 302 Stainless Steel, supplied in a 10-pack. It measures 29 mm in length with a 4.63 mm outer diameter, offering a standard industrial spring solution for mechanical applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a SPEC compression spring used for?

A SPEC compression spring is used to store mechanical energy and resist compressive forces in industrial applications such as valves, pumps, actuators, and assembly fixtures. Its 302 stainless steel construction provides corrosion resistance for moderate environments.

What are the specifications of the SPEC D21440 compression spring?

The SPEC D21440 compression spring is made from 302 stainless steel, has a cylindrical shape, 29 mm length, 4.63 mm outer diameter, and comes in a 10-pack. It is designed for general-purpose mechanical support and return-force applications.

Where to buy SPEC compression springs in worldwide?

3G Electric supplies SPEC compression springs worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the D21440 and other SPEC spring sizes to your facility. Contact us for a quote and delivery timeline.

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

To select the right SPEC compression spring, match the required free length, outer diameter, and load capacity to your application's space and force needs. The D21440 offers a 29 mm length and 4.63 mm O.D. in 302 stainless steel. Consult a spring rate chart or contact 3G Electric for guidance.

SPEC Products

3G Electric supplies SPEC cylindrical compression 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
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 3 in Lng, 10 PK (MPN C06000723000S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 3 in Lng, 10 PK (MPN C06000723000S)
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 2 1/2 in Lng, 10 PK (MPN C19372072500S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 2 1/2 in Lng, 10 PK (MPN C19372072500S)
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 1 1/4 in Lng, 10 PK (MPN C07200721250S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 1 1/4 in Lng, 10 PK (MPN C07200721250S)
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 11/16 in Lng, 10 PK (MPN C03600350690S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 11/16 in Lng, 10 PK (MPN C03600350690S)
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 2 in Lng, 10 PK (MPN C07201122000S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 2 in Lng, 10 PK (MPN C07201122000S)
Compression Spring: Spring Steel, Cylindrical Shape, Closed, Ground End, 1 1/4 in Lng, 15 PK (MPN C06000591250M)
SPEC
Compression Spring: Spring Steel, Cylindrical Shape, Closed, Ground End, 1 1/4 in Lng, 15 PK (MPN C06000591250M)
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 1 3/4 in Lng, 5 PK (MPN C03120261750S)
SPEC
Compression Spring: 302 Stainless Steel, Cylindrical Shape, Closed, Ground End, 1 3/4 in Lng, 5 PK (MPN C03120261750S)
Compression Spring: Spring Steel, Cylindrical Shape, Closed, Ground End, 2 1/4 in Lng, 5 PK (MPN C06881052250M)
SPEC
Compression Spring: Spring Steel, Cylindrical Shape, Closed, Ground End, 2 1/4 in Lng, 5 PK (MPN C06881052250M)