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Product Spotlight: Mil-Spec Sealing Screws

Featured Product from ZAGO Manufacturing Company, Inc.

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  • Unbreakable Sealing Protection: Engineered with 360° rubber O-ring technology to prevent contaminants from leaking into or out of equipment and potentially damaging it or the environment.
  • Availability: ZAGO MS3212/ MS3213 sealing screws are in stock and ship within 2-3 days.
  • Variety: ZAGO high-tech sealing screws, nuts, or bolts can be built to Military Standards.
  • Versatile: Made for air, land, and sea. Equipment applications include ground and air night vision goggle/thermal cameras, security and radar sensors, military grade robots / drones, engine components and fuel pumps for airplanes, fleets, rockets, jets, etc.
  • Certified: Meet DFARS, REACH and RoHS requirements. Pressure-tested to military standard 1,500 psi.
  • American Made: Made in the USA/ Buy American Act compliant.



  • Pressure and vibration
  • Corrosion
  • Extreme hot and cold temperatures
  • Extreme weather conditions (Hail, snow, sleet, rain, etc.)
  • Dust
  • Saltwater/Water/Moisture-Air
  • Oil/Liquids
  • Gas


FAST FACTS: Did you know ZAGO:

  • High-tech fasteners are reusable, tamper-proof and made of corrosion-resistant metals, like stainless steel and steel alloys, titanium, brass and monel.
  • Offers rubber O-rings made of silicone, fluoro-silicone, viton, neoprene, buna, teflon, and EPDM.
  • Has been serving the energy industry 25+ years.
  • Provides samples and usually ships product within two days.
  • Has a near zero rejection rate.
  • Sealing solutions and components are inherently green and made in the U.S.A. at a sustainable facility powered by solar energy.
  • Is an ISO 9001 registered company, qualified to meet the most exacting demands of engineers and OEMs using verified standards and procedures for product quality.
  • Serves thousands of engineers and OEMs worldwide.
  • Clients include Energy Recovery Inc., U.S. Airforce, U.S. Army, U.S. Navy, Raytheon, Teledyne Marine, Ferrari, Caterpillar, Punch Powertrain, Apple, GE, HP, Bose, L3 Communications and Konsberg.


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Based in Newark, NJ, ZAGO's self-sealing fasteners and switch boots are used in countless industries: aerospace, transportation, exterior LED lighting, medical devices, robotics and drones, energy, marine, electronics and more. Clients span the world and include major military contractors, Google, Ferrari, BOSE, Lockheed Martin, Raytheon, GE Energy, L3 Communications, and HP.

In addition to manufacturing contaminant-free products, ZaGO “walks the talk” of a sustainable company: implementing lean manufacturing processes, adopting a solar array on the rooftop to reduce pollution and conserve energy, recycling, and, as a member of the New Jersey Sustainable Business Registry, adhering to rigorous sustainability standards. Through its ZaGO Sustainability 360 program, the company provides education, field trips to its manufacturing facility, and scholarships to encourage children, teens and STEM students living in underserved communities to pursue a career in STEM or manufacturing.