<SEC-DOCUMENT>0001318148-14-001041-index.html : 20140624
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<ACCEPTANCE-DATETIME>20140613105323
ACCESSION NUMBER:		0001318148-14-001041
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20140613
DATE AS OF CHANGE:		20140613
EFFECTIVENESS DATE:		20140613

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED MUNICIPAL SECURITIES FUND INC
		CENTRAL INDEX KEY:			0000201801
		IRS NUMBER:				251304971
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-57181
		FILM NUMBER:		14909109

	BUSINESS ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561
		BUSINESS PHONE:		8003417400

	MAIL ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY MUNICIPAL SECURITIES FUND INC
		DATE OF NAME CHANGE:	19930517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED TAX FREE INCOME FUND INC
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED MUNICIPAL SECURITIES FUND INC
		CENTRAL INDEX KEY:			0000201801
		IRS NUMBER:				251304971
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-02677
		FILM NUMBER:		14909110

	BUSINESS ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561
		BUSINESS PHONE:		8003417400

	MAIL ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY MUNICIPAL SECURITIES FUND INC
		DATE OF NAME CHANGE:	19930517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED TAX FREE INCOME FUND INC
		DATE OF NAME CHANGE:	19920703
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<SERIES-NAME>FEDERATED MUNICIPAL SECURITIES FUND INC
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<CLASS-CONTRACT-NAME>Class A Shares
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<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>form.htm
<TEXT>
Document 1 - file: form.htm

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<TYPE>EX-101.INS
<SEQUENCE>2
<FILENAME>fmsfi-20140528.xml
<DESCRIPTION>XBRL INSTANCE FILE
<TEXT>
Document 2 - file: fmsfi-20140528.xml

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<FILENAME>fmsfi-20140528.xsd
<DESCRIPTION>XBRL SCHEMA FILE
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Document 3 - file: fmsfi-20140528.xsd

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Document 4 - file: fmsfi-20140528_cal.xml

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<TYPE>EX-101.DEF
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Document 5 - file: fmsfi-20140528_def.xml

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<TYPE>EX-101.LAB
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Document 6 - file: fmsfi-20140528_lab.xml

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<TYPE>EX-101.PRE
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Document 7 - file: fmsfi-20140528_pre.xml

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<TYPE>EXCEL
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Document 8 - file: Financial_Report.xlsx

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Document 9 - file: report.css

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Document 10 - file: R9.htm

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<FILENAME>Financial_Report.xls
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Document 11 - file: Financial_Report.xls

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<TYPE>ZIP
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Document 12 - file: 0001318148-14-001041-xbrl.zip

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Document 13 - file: R2.htm

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Document 14 - file: Show.js

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<FILENAME>R1.htm
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<TEXT>
Document 15 - file: R1.htm

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<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>BarChart1.jpg
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<TEXT>
Document 16 - file: BarChart1.jpg

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<TYPE>XML
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<FILENAME>R10.htm
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<TEXT>
Document 17 - file: R10.htm

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<TYPE>XML
<SEQUENCE>18
<FILENAME>FilingSummary.xml
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<TEXT>
Document 18 - file: FilingSummary.xml

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