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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JhRduCItsL0nVa+RkG41McVNeE/3v3A9Ee4HOUcK+uDEO446RRPHlYIGF8tUsBSM
 a0rFLVdTY6m34xcmirIy2Q==

<SEC-DOCUMENT>9999999995-06-000050.txt : 20060525
<SEC-HEADER>9999999995-06-000050.hdr.sgml : 20060525
<ACCEPTANCE-DATETIME>20060525001511
ACCESSION NUMBER:		9999999995-06-000050
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20060524
DATE AS OF CHANGE:		20060525
EFFECTIVENESS DATE:		20060524

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENCORP INC
		CENTRAL INDEX KEY:			0000040888
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED RUBBER PRODUCTS, NEC [3060]
		IRS NUMBER:				340244000
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-113497
		FILM NUMBER:		06865582

	BUSINESS ADDRESS:	
		STREET 1:		HIGHWAY 50 & AEROJET ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95670
		BUSINESS PHONE:		9163554000

	MAIL ADDRESS:	
		STREET 1:		HIGHWAY 50 & AEROJET ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95670

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL TIRE & RUBBER CO
		DATE OF NAME CHANGE:	19840330
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2006-05-24</finalEffectivenessDispDate>
        <accessionNumber>0001047469-06-007497</accessionNumber>
        <submissionType>POS AM</submissionType>
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            <cik>0000040888</cik>
            <entityName>GENCORP INC</entityName>
            <fileNumber>333-113497</fileNumber>
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