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  <xsd:element abstract="true" id="sxi_statement-statement-note-18-restructuring-summary-of-restructuring-expenses-by-segment-details" name="statement-statement-note-18-restructuring-summary-of-restructuring-expenses-by-segment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-18-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details" name="statement-statement-note-18-restructuring-summary-of-severance-restructuring-and-related-charges-by-initiative-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-18-restructuring-tables" name="statement-statement-note-18-restructuring-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-leases-additional-information-details" name="statement-statement-note-19-leases-additional-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details" name="statement-statement-note-19-leases-amounts-recorded-in-balance-sheet-and-statement-of-operations-related-to-leases-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-leases-lease-cost-details" name="statement-statement-note-19-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-leases-maturity-of-lease-liability-details" name="statement-statement-note-19-leases-maturity-of-lease-liability-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-19-leases-tables" name="statement-statement-note-19-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-acquisition-related-costs-details" name="statement-statement-note-2-acquisitions-components-of-acquisition-related-costs-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-agile-magnetics-details" name="statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-agile-magnetics-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-gs-engineering-details" name="statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-gs-engineering-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-tennibacgraphion-inc-details" name="statement-statement-note-2-acquisitions-components-of-fair-value-of-acquisitions-and-allocation-of-purchase-price-for-acquisition-of-tennibacgraphion-inc-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-2-acquisitions-tables" name="statement-statement-note-2-acquisitions-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details" name="statement-statement-note-3-revenue-from-contracts-with-customers-contract-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details" name="statement-statement-note-3-revenue-from-contracts-with-customers-revenue-disaggregated-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-3-revenue-from-contracts-with-customers-tables" name="statement-statement-note-3-revenue-from-contracts-with-customers-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-4-fair-value-measurements-fair-values-of-financial-instruments-details" name="statement-statement-note-4-fair-value-measurements-fair-values-of-financial-instruments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-4-fair-value-measurements-tables" name="statement-statement-note-4-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-5-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details" name="statement-statement-note-5-discontinued-operations-earnings-losses-and-assets-and-liabilities-from-discontinued-operations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-5-discontinued-operations-tables" name="statement-statement-note-5-discontinued-operations-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-6-inventories-summary-of-inventories-details" name="statement-statement-note-6-inventories-summary-of-inventories-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-6-inventories-tables" name="statement-statement-note-6-inventories-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-7-goodwill-changes-to-goodwill-details" name="statement-statement-note-7-goodwill-changes-to-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-7-goodwill-tables" name="statement-statement-note-7-goodwill-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-8-intangible-assets-summary-of-intangible-assets-details" name="statement-statement-note-8-intangible-assets-summary-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-8-intangible-assets-tables" name="statement-statement-note-8-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-9-warranties-changes-in-warranty-reserve-details" name="statement-statement-note-9-warranties-changes-in-warranty-reserve-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sxi_statement-statement-note-9-warranties-tables" name="statement-statement-note-9-warranties-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
