MSM-19 SWITCH 3-128-507 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-19 SWITCH (Part Number 3-128-507) is a pushbutton switch classified as obsolete. Due to its discontinued status, identifying equivalent and substitute components is necessary to maintain system functionality and support ongoing maintenance requirements. The MSM-19 series represents a specific switch architecture, and suitable alternatives must maintain functional compatibility within the same product category.

Substiute Parts

3-128-507

SCHURTER Inc.In Stock: 10403-128-507 Datasheet

Current PartRFQ

3-145-992

SCHURTER Inc.In Stock: 9203-145-992 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3-128-507 is based on functional equivalence within the MSM-19 pushbutton switch category. The primary substitute identified is the 3-145-992, which maintains the same manufacturer (SCHURTER Inc.) and product classification (Pushbutton Switch). The key substitution criteria are:

• Identical product category (Pushbutton Switch)
• Same manufacturer lineage (SCHURTER Inc.)
• Compatible series designation (MSM-19)
• Active product status ensuring ongoing availability and support

Parameter Comparison

Engineering Selection Recommendations

The 3-145-992 is the manufacturer-recommended substitute for the obsolete 3-128-507. Both components share identical functional classification and series designation. The primary advantage of selecting the 3-145-992 is its active product status, which ensures continued manufacturer support, availability, and compliance with current production standards. The original 3-128-507, while currently in stock, carries obsolescence risk for future procurement cycles.

Frequently Asked Questions (FAQ)

Q: What makes the 3-145-992 a suitable substitute for the 3-128-507? A: Both components are MSM-19 series pushbutton switches manufactured by SCHURTER Inc. They share identical product classification and functional category, meeting the core substitution criteria for this component type.

Q: Why is the 3-128-507 listed as obsolete? A: The 3-128-507 has been discontinued by the manufacturer. The 3-145-992 represents the active replacement within the same product series.

Q: Are there packaging differences between these parts? A: Both components utilize standard packaging appropriate for pushbutton switches. No packaging variations are specified in the technical parameters.

Q: Can I use the 3-145-992 as a direct replacement in existing designs? A: The 3-145-992 maintains functional equivalence as an MSM-19 series pushbutton switch from SCHURTER Inc., supporting direct substitution within the same application context.

Q: What is the inventory status for each part? A: The original 3-128-507 has 1011 pieces in stock, while the substitute 3-145-992 has 836 pieces available. Both are listed as new original components.