MS12ASG40-109B Equivalent & Substitute Parts

Part Overview

The MS12ASG40-109B is a toggle switch manufactured by NKK Switches, classified as an electronic switching component. This part is currently listed with obsolete product status. Due to its obsolete classification, identifying equivalent and substitute parts ensures continued availability for maintenance, repair, and production applications where this component is specified.

Substiute Parts

MS12ASG40-109B

NKK SwitchesIn Stock: 1075MS12ASG40-109B Datasheet

Current PartRFQ

MSN12ASG40-109B

NKK SwitchesIn Stock: 1109MSN12ASG40-109B Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MS12ASG40-109B are identified based on the following criteria:

• Manufacturer: NKK Switches (same manufacturer ensures design and functional compatibility)
• Product Category: Toggle Switch (identical functional classification)
• ECCN Classification: EAR99 (matching export control classification)
• HTSUS Code: 8536.50.9065 (identical tariff classification)
• Product Status: Active (substitute part maintains current production and support status)

The substitute part MSN12ASG40-109B meets all these parameters, making it a direct equivalent for applications requiring the MS12ASG40-109B.

Parameter Comparison

Engineering Selection Recommendations

The MSN12ASG40-109B is the recommended substitute for the obsolete MS12ASG40-109B. Both parts share identical manufacturer origin, product classification, and regulatory compliance markings (ECCN EAR99, HTSUS 8536.50.9065). The substitute part maintains active product status, ensuring ongoing manufacturer support and supply chain availability. Selection between the main part and substitute should be based on application requirements and inventory availability.

Frequently Asked Questions (FAQ)

Q: What makes MSN12ASG40-109B a suitable substitute for MS12ASG40-109B?

A: Both parts are manufactured by NKK Switches, classified as toggle switches, and share identical ECCN and HTSUS classifications. The substitute part is currently in active production status, whereas the main part is obsolete.

Q: Are there any differences in packaging or specifications between these parts?

A: Based on the provided parameters, both parts share the same functional classification and regulatory compliance codes. Packaging information is not specified in the available data.

Q: Why is the main part listed as obsolete?

A: Product status reflects manufacturer lifecycle decisions. Obsolete classification indicates the part is no longer in active production, making substitute parts necessary for ongoing applications.

Q: Can I use MSN12ASG40-109B as a direct replacement in existing designs?

A: Both parts meet the same regulatory and functional classifications. Component selection should be based on specific application requirements and design specifications.