MSM-22 SWITCH 3-139-722 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-22 SWITCH (Part Number 3-139-722) is a pushbutton switch classified as obsolete. As this component has reached end-of-life status, identifying equivalent and substitute parts is necessary to maintain design continuity, support existing installations, and facilitate new production runs where this functionality remains required.

Substiute Parts

3-139-722

SCHURTER Inc.In Stock: 11363-139-722 Datasheet

Current PartRFQ

3-145-621

SCHURTER Inc.In Stock: 11393-145-621 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-22 SWITCH 3-139-722 is determined by functional equivalence within the SCHURTER product line. The primary substitution criterion is maintenance of the same switch series designation (MSM-22) and pushbutton switch functionality. The recommended substitute part maintains identical functional classification and manufacturer origin, ensuring compatibility with existing circuit designs and mechanical mounting requirements.

Key parameters governing substitution:

• Manufacturer consistency (SCHURTER Inc.)
• Functional category (Pushbutton Switch)
• Series designation (MSM-22)
• Physical form factor compatibility

Parameter Comparison

Engineering Selection Recommendations

The MSM-22 SWITCH 3-145-621 is the manufacturer-recommended substitute for the obsolete 3-139-722. This substitution is supported by active product status, ensuring ongoing availability, technical support, and compliance with current manufacturing standards. Selection of the active substitute part eliminates obsolescence risk and provides access to current component documentation and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the 3-145-621 directly replace the 3-139-722 in existing designs? A: Yes. Both parts are MSM-22 series pushbutton switches from SCHURTER Inc. with identical functional classification, supporting direct substitution in circuit designs and mechanical assemblies.

Q: Why is the original part marked obsolete? A: The 3-139-722 has reached end-of-life status within SCHURTER's product portfolio. The 3-145-621 represents the active equivalent within the same series.

Q: Are there packaging differences between these parts? A: Packaging specifications are not differentiated in the available technical parameters for these components. Verify packaging requirements against your specific application needs.

Q: What is the inventory status for each part? A: The original 3-139-722 has 1082 units in stock as new original inventory. The substitute 3-145-621 has 1031 units available as new original inventory.

Q: Should new designs use the substitute part? A: Yes. New designs should specify the 3-145-621 due to its active product status and guaranteed long-term availability from the manufacturer.