MSM-19 SWITCH 3-129-281 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-19 SWITCH (part number 3-129-281) is a pushbutton switch classified as obsolete. This part is no longer in active production. Locating equivalent or substitute components becomes necessary when original stock is depleted or when system redesigns require active product alternatives that maintain functional compatibility with the original specification.

Substiute Parts

3-129-281

SCHURTER Inc.In Stock: 8973-129-281 Datasheet

Current PartRFQ

3-145-513

SCHURTER Inc.In Stock: 8193-145-513 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-19 SWITCH 3-129-281 is determined by functional equivalence within the SCHURTER pushbutton switch product line. The primary substitute part maintains identical functional classification (pushbutton switch), identical series designation (MSM-19), and identical manufacturer origin (SCHURTER Inc.). The substitute part differs in product status, transitioning from obsolete to active production status, which ensures ongoing availability and supply chain continuity.

Key parameters governing substitution:

• Product category: Pushbutton Switch
• Series: MSM-19
• Manufacturer: SCHURTER Inc.
• Functional equivalence: Identical switch type and application class

Parameter Comparison

Engineering Selection Recommendations

The SCHURTER MSM-19 SWITCH 3-145-513 serves as the active production equivalent to the obsolete 3-129-281. Selection of the substitute part is appropriate when:

• Original part 3-129-281 stock is unavailable or depleted
• New system designs require components with active manufacturer support
• Supply chain continuity is required beyond the lifecycle of obsolete inventory
• Both parts maintain identical functional classification within the MSM-19 series

The substitute part 3-145-513 is manufactured by the same supplier (SCHURTER Inc.) and maintains functional equivalence as a pushbutton switch within the same product series.

Frequently Asked Questions (FAQ)

Q: Can MSM-19 SWITCH 3-145-513 directly replace 3-129-281 in existing applications?

A: Yes. Both parts are classified as pushbutton switches within the SCHURTER MSM-19 series and share identical functional categorization. The substitute part is the active production equivalent.

Q: What is the primary difference between these two part numbers?

A: The original part 3-129-281 is obsolete, while the substitute 3-145-513 is in active production status. Both maintain the same functional classification and series designation.

Q: Are there packaging differences between these parts?

A: Packaging information is not differentiated in the provided specifications for these parts.

Q: Why should I select the active production part over remaining obsolete inventory?

A: Active production parts ensure ongoing manufacturer support, availability for future orders, and supply chain reliability beyond current stock levels.