Exhibit 21

SUBSIDIARIES

The subsidiaries of the Company as of October 29, 2004 are as follows:

Name of Subsidiary	Jurisdiction of  Incorporation
Advanced Input Devices, Inc.	Delaware
Memtron Technologies Co.	Delaware
Advanced Input Devices (UK) Ltd.	England
LRE Medical GmbH	Germany
Esterline Input Devices (Shanghai) Ltd.	China
Armtec Defense Products Co.	Delaware
Armtec Countermeasures Co.	Delaware
Auxitrol Technologies S.A.	France
Auxitrol S.A.	France
Auxitrol Co.	Delaware
BVR Technologies Co.	Delaware
Equipment Sales Co.	Connecticut
Fluid Regulators Corporation	Ohio
Hytek Finishes Co.	Delaware
Kirkhill - TA Co.	California
Korry Electronics Co.	Delaware
AVISTA, Incorporated	Wisconsin
Leach International Corporation	Delaware
Guizhou Leach-Tianyi Aviation Electrical Company Ltd.	China
Leach International Mexico S. de R.L. de C.V.	Mexico
Leach International Europe S.A.	France
Mason Electric Co.	Delaware
Muirhead Aerospace Limited	England
Norwich Aero Products Ltd.	New York
Pressure Systems, Inc.	Virginia
Weston Aerospace Ltd.	England

The above list excludes certain subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of October 29, 2004.