M-2028E/S-B4 Equivalent & Substitute Parts

Part Overview

The M-2028E/S-B4 is a toggle switch manufactured by NKK Switches, classified as an obsolete product. This part is no longer in active production, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and system support applications. The switch serves as a control interface component in electronic assemblies where manual actuation is required.

Substiute Parts

M-2028E/S-B4

NKK SwitchesIn Stock: 653M-2028E/S-B4 Datasheet

Current PartRFQ

MN28E2S2G13

NKK SwitchesIn Stock: 1139MN28E2S2G13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M-2028E/S-B4 is determined by the following criteria:

• Manufacturer alignment: NKK Switches product line
• Functional classification: Toggle Switch category
• Regulatory compliance: ECCN EAR99 and HTSUS 8536.50.9065 classification
• Product status: Active production status to ensure ongoing availability

The substitute part MN28E2S2G13 meets all substitution criteria through identical manufacturer origin, matching functional category, and equivalent regulatory classification. The transition from obsolete to active product status ensures supply chain continuity.

Parameter Comparison

Engineering Selection Recommendations

The MN28E2S2G13 is the designated equivalent substitute for the M-2028E/S-B4. Selection is based on:

• Identical manufacturer: Both parts originate from NKK Switches product portfolio
• Matching functional classification: Both are toggle switches with identical HTSUS and ECCN designations
• Active product status: MN28E2S2G13 maintains current production and supply availability, eliminating obsolescence risk
• Regulatory equivalence: Both parts share identical export control and tariff classifications

Frequently Asked Questions (FAQ)

Q: Why is the M-2028E/S-B4 being phased out? A: The M-2028E/S-B4 has reached obsolete status in the NKK Switches product line. The MN28E2S2G13 represents the active equivalent within the same manufacturer's current offerings.

Q: Are M-2028E/S-B4 and MN28E2S2G13 interchangeable? A: Both parts are toggle switches from NKK Switches with identical regulatory classifications (ECCN EAR99, HTSUS 8536.50.9065). Interchangeability is determined by mechanical and electrical specifications not provided in this reference. Consult detailed datasheets for form factor, contact configuration, and electrical ratings.

Q: What is the inventory status for each part? A: M-2028E/S-B4 has 634 pieces available as new original stock. MN28E2S2G13 has 1037 pieces available as new original stock, providing greater supply security.

Q: Do both parts share the same regulatory classifications? A: Yes. Both the M-2028E/S-B4 and MN28E2S2G13 are classified under ECCN EAR99 and HTSUS code 8536.50.9065, indicating equivalent regulatory treatment for export and tariff purposes.