MS20ASW40 Equivalent & Substitute Parts

Part Overview

The MS20ASW40 is a toggle switch manufactured by NKK Switches, classified as an obsolete product. This component is a standard toggle switch used in electronic applications requiring manual switching functionality. Due to its obsolete status, identifying equivalent and substitute parts is essential for maintaining system compatibility, ensuring supply chain continuity, and supporting legacy equipment maintenance and repair operations.

Substiute Parts

MS20ASW40

NKK SwitchesIn Stock: 855MS20ASW40 Datasheet

Current PartRFQ

MSN24ASW40

NKK SwitchesIn Stock: 929MSN24ASW40 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MS20ASW40 is determined by the following criteria:

• Manufacturer alignment with NKK Switches product line
• Identical functional classification as a toggle switch
• Matching ECCN classification (EAR99) for export compliance
• Matching HTSUS tariff code (8536.50.9065) for customs and trade purposes
• Active product status to ensure ongoing availability and support

The MSN24ASW40 meets all substitution criteria as an active NKK Switches toggle switch product with identical compliance classifications.

Parameter Comparison

Engineering Selection Recommendations

The MSN24ASW40 is the qualified substitute for the obsolete MS20ASW40. Both components share identical ECCN and HTSUS classifications, confirming regulatory and trade compliance alignment. The MSN24ASW40 maintains active product status with NKK Switches, ensuring continued availability, technical support, and supply chain reliability. Selection of the MSN24ASW40 is appropriate for new designs, system upgrades, and replacement applications where the original MS20ASW40 is no longer available.

Frequently Asked Questions (FAQ)

Q: What makes MSN24ASW40 a valid substitute for MS20ASW40? A: Both components are NKK Switches toggle switches with identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications. The MSN24ASW40 is an active product, providing ongoing supply and support compared to the obsolete MS20ASW40.

Q: Are there any compliance considerations when substituting MS20ASW40 with MSN24ASW40? A: Both parts share identical export control and tariff classifications, ensuring no change in regulatory compliance requirements for applications using either component.

Q: What is the inventory status for these parts? A: MS20ASW40 has 808 pieces available as new original stock. MSN24ASW40 has 833 pieces available as new original stock, providing adequate supply for both legacy support and new applications.

Q: Why is MS20ASW40 classified as obsolete? A: Obsolete status indicates the product is no longer in active production by NKK Switches. The MSN24ASW40 serves as the active replacement within the NKK Switches product portfolio.