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<P style="font-size: 14pt" align="center"><B>UNITED STATES<BR>
SECURITIES AND
EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P style="font-size: 18pt" align="center"><B>FORM 8-K</B>

<P style="font-size: 12pt" align="center"><B>CURRENT REPORT<BR>
Pursuant to
Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P style="font-size: 10pt" align="center"><B>Date of Report (Date of earliest
event reported): March 31, 2009</B>

<P style="font-size: 24pt" align="center"><B>CERADYNE, INC.<BR>
</B><FONT
style="font-size: 10pt">(Exact name of registrant as specified in its charter)
</FONT>
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cellpadding="0" width="100%" border="0">

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  <TD width="32%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="33%">&nbsp;</TD>
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  <TD width="32%">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>Delaware</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>000-13059</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>33-0055414</B></TD>
 </TR>
 <TR valign="top">
  <TD>(State or other Jurisdiction of Incorporation)</TD>
  <TD>&nbsp;</TD>
  <TD>(Commission File Number)</TD>
  <TD>&nbsp;</TD>
  <TD>(IRS Employer Identification No.)</TD>
 </TR>

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cellpadding="0" width="100%" border="0">

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  <TD width="49%">&nbsp;</TD>
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  <TD width="49%">&nbsp;</TD>
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 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>3169 Red Hill Avenue, Costa
Mesa, CA<BR>
</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>92626</B></TD>
 </TR>
 <TR valign="top">
  <TD>(Address of Principal Executive Offices)</TD>
  <TD>&nbsp;</TD>
  <TD>(Zip Code)</TD>
 </TR>

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<P style="font-size: 10pt" align="center">Registrant&#8217;s telephone number,
including area code: <B>(714) 549-0421</B>
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cellpadding="0" width="30%" border="0">

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  <TD style="border-bottom: #000000 1px solid" nowrap><B>&nbsp;</B></TD>
 </TR>
 <TR>
  <TD nowrap>(Former name or former address if changed since last report.)</TD>
 </TR>

</TABLE>


<P style="font-size: 10pt" align="left">Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions:

<P style="font-size: 10pt" align="left"><FONT face="Wingdings">o</FONT> Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)<BR>
<BR>
<FONT face="Wingdings">o</FONT> Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>



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<P style="font-size: 10pt" align="left"><B>Item&nbsp;7.01 Regulation&nbsp;FD
Disclosure.</B>

<P style="font-size: 10pt; text-indent: 4%" align="left">On March&nbsp;31,
2009, Ceradyne, Inc. issued a press release announcing that it has received a
delivery order for approximately $77&nbsp;million for XSAPI ceramic body armor
plates. The release was issued under the $2.37&nbsp;billion five-year ID/IQ
(Indefinite Delivery/Indefinite Quantity) contract announced earlier in
October&nbsp;2008. A copy of this press release is being furnished as
Exhibit&nbsp;99.1 to this Current Report on Form 8-K.

<P style="font-size: 10pt; text-indent: 4%" align="left">In accordance with
General Instruction B.2 of Form 8-K, the information in this Current Report on
Form 8-K, including Exhibit&nbsp;99.1, shall not be deemed &#8220;filed&#8221;
for the purposes of Section&nbsp;18 of the Securities Exchange Act of 1934 or
otherwise subject to the liability of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933.

<P style="font-size: 10pt" align="left"><B>Item&nbsp;9.01 Financial Statements
and Exhibits.</B>

<P style="font-size: 10pt" align="left"><B>(d)&nbsp;Exhibits.</B>
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<DIV
style="margin-left: 0px; text-indent: 0px"><B><I>Exhibit&nbsp;Number</I></B></DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left"><B><I>Description</I></B></TD>
 </TR>
 <TR style="font-size: 1px">
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<DIV style="margin-left: 0px; text-indent: 0px">&nbsp;</DIV>
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align="left">&nbsp;</TD>
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  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">99.1 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Press release of Ceradyne, Inc. dated
March&nbsp;31, 2009.</TD>
 </TR>
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<P style="font-size: 10pt" align="center">2

<P style="font-size: 10pt" align="center">&nbsp;

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<P style="font-size: 10pt" align="center"><B>SIGNATURES</B>

<P style="font-size: 10pt; text-indent: 4%" align="left">Pursuant to the
requirements of the Securities Exchange Act of 1934, the Registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.

<P style="font-size: 10pt; margin-left: 45%" align="left">CERADYNE, INC.

<P style="font-size: 10pt" align="left">April&nbsp;1, 2009

<P style="margin-top: -11pt; font-size: 10pt; margin-left: 45%"
align="left">By:<U> /s/ Jerrold J.
Pellizzon&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><br>Jerrold J. Pellizzon<BR>
Chief Financial Officer and Secretary

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<P style="font-size: 10pt" align="center">&nbsp;

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<P style="font-size: 10pt" align="center"><B>EXHIBIT INDEX</B>
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border="0">
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  <TD width="8%">&nbsp;</TD>
  <TD width="5%">&nbsp;</TD>
  <TD width="87%">&nbsp;</TD>
 </TR>
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 <TR valign="bottom">
  <TD valign="top">
<DIV
style="margin-left: 0px; text-indent: 0px"><B><I>Exhibit&nbsp;Number</I></B>&nbsp;</DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="center"><B><I>Description</I></B></TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">99.1 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Press release of Ceradyne, Inc. dated
March&nbsp;31, 2009.</TD>
 </TR>
<!-- End Table Body -->

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<P style="font-size: 10pt" align="center">4

<P style="font-size: 10pt" align="right">&nbsp;

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Form 8-K
UNITED STATES
SECURITIES AND
EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to
Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest
event reported): March 31, 2009
CERADYNE, INC.
(Exact name of registrant as specified in its charter)
Delaware
000-13059
33-0055414
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
3169 Red Hill Avenue, Costa
Mesa, CA
92626
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number,
including area code:
(714) 549-0421
(Former name or former address if changed since last report.)
Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions:
o
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
o
Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule
14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule
13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 7.01 Regulation FD
Disclosure.
On March 31,
2009, Ceradyne, Inc. issued a press release announcing that it has received a
delivery order for approximately $77 million for XSAPI ceramic body armor
plates. The release was issued under the $2.37 billion five-year ID/IQ
(Indefinite Delivery/Indefinite Quantity) contract announced earlier in
October 2008. A copy of this press release is being furnished as
Exhibit 99.1 to this Current Report on Form 8-K.
In accordance with
General Instruction B.2 of Form 8-K, the information in this Current Report on
Form 8-K, including Exhibit 99.1, shall not be deemed "filed"
for the purposes of Section 18 of the Securities Exchange Act of 1934 or
otherwise subject to the liability of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933.
Item 9.01 Financial Statements
and Exhibits.
(d) Exhibits.
Exhibit Number
Description
99.1
Press release of Ceradyne, Inc. dated
March 31, 2009.
2
SIGNATURES
Pursuant to the
requirements of the Securities Exchange Act of 1934, the Registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.
CERADYNE, INC.
April 1, 2009
By:
/s/ Jerrold J.
Pellizzon
Jerrold J. Pellizzon
Chief Financial Officer and Secretary
3
EXHIBIT INDEX
Exhibit Number
Description
99.1
Press release of Ceradyne, Inc. dated
March 31, 2009.
4