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Sealing Devices, Inc.
Product Categories
Industrial
Sealing Devices has supplied industrial OEMs for decades and is one of North America’s largest privately held manufacturers, converters, and distributors of innovative products.
Communications & IT
Sealing Devices has extensive Applications Engineering experience in assisting electronics device OEM’s to help seal, shield and vent their devices and enclosures.
Military
As hand-held electronic devices and military communications become more sophisticated, the internal electronic enclosures must be protected against water, soap, dust and dirt.
Aerospace
Offering Military and Aerospace O-rings for the 25988 Type 1, as well as M25988/4-117.
Fluid Power
O-rings, gaskets, and seals for transportation industries meet strict dimensional and quality standards, with special labeling identifying higher-grade materials.
Tools and Support
About Sealing Devices, Inc.
Sealing Devices Inc. is a privately held, veteran-owned manufacturer, fabricator, and distributor of engineered sealing solutions headquartered in Lancaster, NY. The company provides seals, gaskets, O-rings, EMI shielding, custom molded rubber components, adhesives, and thermal interface materials—supporting demanding applications across aerospace, defense, electronics, transportation, communications, and general industrial markets. Sealing Devices is AS9100D and ISO 9001:2015 certified and ITAR registered, underscoring a deep commitment to quality and compliance.
