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KEYSTONE 3403 Spacers and Standoffs

Round clear hole spacers and ceramic standoffs designed for high temperature and high voltage applications. Made from nylon, aluminum, phenolic, or ceramic, these spacers provide excellent insulation, strength, and durability. Aluminum spacers are precision-rolled for maximum bearing surface, while ceramic types withstand extreme temperatures and voltage without flashover. Available in various sizes, these components are suitable for military and commercial use, ensuring reliable performance in demanding electronic and electrical assemblies. Custom sizes can be requested for specialized applications.

Authorized Distributors
Source:Newark
Part No:3403
Stock:478
Inv Date:06-07-2026
Price: Unit price: $2.24
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Part No:3403
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:3403
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:3403
Stock:10278
Inv Date:06-08-2026
Price: Unit price: $0.35
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Part No:3403
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.58
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Part No:3403
Stock:695
Inv Date:06-08-2026
Price: Unit price: $19.95
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Source:DigiKey
Part No:3403
Stock:7425
Inv Date:06-07-2026
Price: Unit price: $0.33
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Source:DigiKey
Part No:3403
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.4229
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Source:DigiKey
Part No:3403
Stock:837
Inv Date:06-07-2026
Price: Unit price: $2.86
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Authorized Distributors
Source:DigiKey
Part No:3403
Stock:255
Inv Date:06-07-2026
Price: Unit price: $19.95
Buy/RFQ:
Part No:34-03
Stock:0
Inv Date:06-07-2026
Price: Unit price: $85.69
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Part No:3403
Stock:0
Inv Date:06-07-2026
Price: Unit price: $19.95
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Part No:3403
Stock:0
Inv Date:06-07-2026
Price: Unit price: $2.2
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Part No:3403
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.43
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Part No:3403
Stock:177
Inv Date:06-07-2026
Price: Unit price: $0.41
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Part No:3403
Stock:12
Inv Date:06-07-2026
Price: Unit price: $6.25
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Part No:3403
Stock:14740
Inv Date:06-06-2026
Price: Unit price: $0.2954
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Part No:3403
Stock:9765
Inv Date:06-06-2026
Price: Unit price: $0.1643
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Authorized Distributors
Part No:3403
Stock:478
Inv Date:06-07-2026
Price: Unit price: $3.24
Buy/RFQ:
Part No:3403
Stock:4913
Inv Date:06-06-2026
Price: Unit price: $0.2954
Buy/RFQ:
Part No:3403
Stock:2278
Inv Date:06-06-2026
Price: Unit price: $0.1643
Buy/RFQ:
Part No:3403
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.146
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KEYSTONE 3403 Spacers and Standoffs Specifications:

  • Material: Nylon, Brass (Nickel Plate), Aluminum (5052-H34), Phenolic (PBE Grade), Ceramic (Grade L5)
  • Nylon: UL Rated 94V-2
  • Aluminum: ASTM B211, Clear Iridite (MIL-C-5541)
  • Phenolic: Natural Color PBE Grade
  • Ceramic: MIL-1-010, Grade L5
  • Sizes: For #4, #6, #8, #10 wire sizes with corresponding dimensions
  • Aluminum Spacers: Maximize bearing surface, square ends, precision rolled
  • Ceramic Standoffs: High strength, high temperature, withstand high voltage
  • Available in commercial and military types, customized sizes upon request
  • RoHS compliant, ISO 9001 certified
  • Thread and depth options available, clearly marked for identification

Buy the Buy Keyelco Spacers and Standoffs Part Number 3403 Online

Enhance your electronic assemblies with our durable spacers and high temperature ceramic standoffs, designed for high voltage and mechanical stability. Made from premium materials including nylon, aluminum, phenolic, and ceramic, these components ensure optimal insulation, strength, and reliability. Whether for military or commercial use, our precision-crafted spacers provide exact fits, long-lasting performance, and are available in various sizes. Purchase online today to benefit from fast delivery and trusted quality for your critical projects.

Order your Keyelco Series3403 spacers and ceramic standoff today and ensure reliable insulation and mechanical support in demanding electronic projects.

Frequently Asked Questions

Where can I buy KEYSTONE 3403?

You can click on the BUY or RFQ button to purchase 3403 from an authorized KEYSTONE distributor.

How do I troubleshoot issues or seek technical support for part 3403?

You can download the 3403 datasheet or visit the KEYSTONE website for support.

Who is the manufacturer of 3403?

KEYSTONE

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