

SEALTRON (AMETEK)
Glass-to-metal hermetic circular connectors, Cincinnati, Ohio
About SEALTRON
SEALTRON designs and manufactures glass-to-metal hermetically sealed circular connectors for aerospace, defense, space and industrial customers. The company was founded in 1953, was acquired by Hermetic Seal Corporation in 1983, and in 1998 became part of AMETEK Engineered Interconnect and Packaging (AMETEK EIP). It works from a 39,000 square foot manufacturing facility in Cincinnati, Ohio, under an AS9100D and ISO 9001:2015 quality management system.
Products
- QPL listed connectors for MIL-DTL-26482, MIL-DTL-38999 (Series I, II and III) and MIL-DTL-83723
- MIL-C-81703 connector types
- Commercial equivalents to MIL-DTL-5015, MIL-DTL-26500 and MIL-DTL-81703
- European qualified connectors to EN2997 (classes Y and YE) and ESC 10 YE
- High-current and high-frequency designs, for high volume or short run production
Capabilities
- Design and engineering with electronic drawing support and custom design assistance
- Proprietary glass-to-metal sealing processes, vertically integrated for rapid prototyping and shorter lead times
- CNC machining of shells and housings, and three belt furnaces
- Leak rate verification to 1 x 10 to the minus 9 cc/sec helium, electrical continuity and insulation resistance testing, and a full environmental testing capability
History
- 1984: QPL manufacturer for MIL-DTL-26482
- 1986: qualified to MIL-DTL-83723
- 2005: qualified to MIL-DTL-38999 Series I, II and III
- 2006: qualified to EN2997 classes Y and YE, for high temperature, high vibration, fluid exposed engine environments
- 2007: qualified to ESC10
- 2020: contributions to satellite and rocket programs
Company facts
- Member of AMETEK EIP alongside Hermetic Seal, Aegis, Glasseal Products and SCP, which together form the largest hermetic sealing operation in the United States according to the company
- The site notes growing European demand for its EN2997 hermetic connector for defense
- Trade show appearances listed include Space Tech Expo Europe in November 2026
Location
Cincinnati, Ohio, United States
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