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  <xs:element name="UnlabeledAbstract14" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_UnlabeledAbstract14"/>
  <xs:element name="CurrentAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CurrentAbstract"/>
  <xs:element name="DeferredAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_DeferredAbstract"/>
  <xs:element name="UnlabeledAbstract15" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_UnlabeledAbstract15"/>
  <xs:element name="DeferredTaxAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_DeferredTaxAssetsAbstract"/>
  <xs:element name="IdentifiableAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_IdentifiableAssetsAbstract"/>
  <xs:element name="DepreciationAndAmortizationAllocatedAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_DepreciationAndAmortizationAllocatedAbstract"/>
  <xs:element name="ChangeInAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_ChangeInAbstract"/>
  <xs:element name="MarketValueAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_MarketValueAbstract"/>
  <xs:element name="OfMarketableAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_OfMarketableAbstract"/>
  <xs:element name="SecuritiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SecuritiesAbstract"/>
  <xs:element name="CashSurrenderValueOfLifeInsuranceAndCashHeldInTrust" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="feim_CashSurrenderValueOfLifeInsuranceAndCashHeldInTrust"/>
  <xs:element name="EarningsPerShareBasicAndDiluted1" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_EarningsPerShareBasicAndDiluted1"/>
  <xs:element name="WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted"/>
  <xs:element name="IncreaseDecreaseInLossProvisionAccrual" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="feim_IncreaseDecreaseInLossProvisionAccrual"/>
  <xs:element name="CostsAndEstimatedEarningsInExcessOfBillingsNetTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CostsAndEstimatedEarningsInExcessOfBillingsNetTableTextBlock"/>
  <xs:element name="AccruedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="feim_AccruedIncentiveCompensation"/>
  <xs:element name="EmployeeBenefitPlansDetailsSharebasedPaymentArrangementRestrictedStockandRestrictedStockUnitActivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_EmployeeBenefitPlansDetailsSharebasedPaymentArrangementRestrictedStockandRestrictedStockUnitActivityTable"/>
  <xs:element name="EmployeeBenefitPlansDetailsSharebasedPaymentArrangementRestrictedStockandRestrictedStockUnitActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_EmployeeBenefitPlansDetailsSharebasedPaymentArrangementRestrictedStockandRestrictedStockUnitActivityLineItems"/>
  <xs:element name="IncomeTaxReconciliationOtherItems" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="feim_IncomeTaxReconciliationOtherItems"/>
  <xs:element name="DeferredTaxAssetsNetOfDeferredTaxLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="feim_DeferredTaxAssetsNetOfDeferredTaxLiabilities"/>
  <xs:element name="SegmentInformationDetailsRevenuefromExternalCustomersbyGeographicAreasTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_SegmentInformationDetailsRevenuefromExternalCustomersbyGeographicAreasTable"/>
  <xs:element name="SegmentInformationDetailsRevenuefromExternalCustomersbyGeographicAreasLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SegmentInformationDetailsRevenuefromExternalCustomersbyGeographicAreasLineItems"/>
  <xs:element name="SummaryofAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_SummaryofAccountingPoliciesDetailsTable"/>
  <xs:element name="SummaryofAccountingPoliciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SummaryofAccountingPoliciesDetailsLineItems"/>
  <xs:element name="PrincipleTransactionRevenueDescriptionOfReportingCategoryDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_PrincipleTransactionRevenueDescriptionOfReportingCategoryDomainDomain"/>
  <xs:element name="ContractAssetsandLiabilitiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_ContractAssetsandLiabilitiesDetailsTable"/>
  <xs:element name="ContractAssetsandLiabilitiesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_ContractAssetsandLiabilitiesDetailsLineItems"/>
  <xs:element name="CostMethodInvestmentOwnershipPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="feim_CostMethodInvestmentOwnershipPercentage"/>
  <xs:element name="EmployeeBenefitPlansDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_EmployeeBenefitPlansDetailsTable"/>
  <xs:element name="EmployeeBenefitPlansDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_EmployeeBenefitPlansDetailsLineItems"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsTotalGrantsFromInceptionGross" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="feim_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsTotalGrantsFromInceptionGross"/>
  <xs:element name="IncomeTaxesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_IncomeTaxesDetailsTable"/>
  <xs:element name="IncomeTaxesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_IncomeTaxesDetailsLineItems"/>
  <xs:element name="SegmentInformationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_SegmentInformationDetailsTable"/>
  <xs:element name="SegmentInformationDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SegmentInformationDetailsLineItems"/>
  <xs:element name="NumberOfPrincipalMarkets" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="feim_NumberOfPrincipalMarkets"/>
  <xs:element name="SubsequentEventDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="feim_SubsequentEventDetailsTable"/>
  <xs:element name="SubsequentEventDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SubsequentEventDetailsLineItems"/>
  <xs:element name="AnnualLimitationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_AnnualLimitationMember"/>
  <xs:element name="ContractLiabilitiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_ContractLiabilitiesMember"/>
  <xs:element name="CustomerFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CustomerFourMember"/>
  <xs:element name="CustomerOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CustomerOneMember"/>
  <xs:element name="CustomerThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CustomerThreeMember"/>
  <xs:element name="CustomerTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_CustomerTwoMember"/>
  <xs:element name="DeferredCompensationAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_DeferredCompensationAgreementMember"/>
  <xs:element name="EmployeesAndDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_EmployeesAndDirectorsMember"/>
  <xs:element name="FrequencyElectronicsIncNewYorkMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_FrequencyElectronicsIncNewYorkMember"/>
  <xs:element name="FrequencyElectronicsIncZyferMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_FrequencyElectronicsIncZyferMember"/>
  <xs:element name="GovernmentNonSpaceRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_GovernmentNonSpaceRevenueMember"/>
  <xs:element name="IncomeIncentivePoolMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_IncomeIncentivePoolMember"/>
  <xs:element name="InterSegmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_InterSegmentMember"/>
  <xs:element name="OtherCommercialIndustrialRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_OtherCommercialIndustrialRevenueMember"/>
  <xs:element name="OtherDepreciableAssetsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_OtherDepreciableAssetsMember"/>
  <xs:element name="POCRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_POCRevenueMember"/>
  <xs:element name="POTRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_POTRevenueMember"/>
  <xs:element name="RSUsAndPSUsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_RSUsAndPSUsMember"/>
  <xs:element name="S2025Q1DividendsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_S2025Q1DividendsMember"/>
  <xs:element name="SatelliteRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_SatelliteRevenueMember"/>
  <xs:element name="USGovernmentAndUSGovernmentSubcontractorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_USGovernmentAndUSGovernmentSubcontractorsMember"/>
  <xs:element name="UnitedStatesPostRetirementPlanOfUSEntityDefinedBenefitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_UnitedStatesPostRetirementPlanOfUSEntityDefinedBenefitMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="feim_DocumentAndEntityInformationAbstract"/>
</xs:schema>
