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      • Wet Stab Connectors
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      • Dust Caps
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      • VIEW ALL Seal-Connect®
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Defense

Reliability When It Matters Most

DEFENSE SOLUTIONS

SEALING SOLUTION & HOWITZER RECOIL

RESOURCES

Greene Tweed develops innovative solutions designed to meet the toughest demands of defense applications.

From air and land systems to sea operations, our advanced components deliver unmatched durability, performance, and mission-critical reliability.

80 plus years transparent graphic with industrial image overlay

Over 80 years of engineering excellence in defense applications.

Up to 40% weight reduction with thermoplastic composites.

AIR DEFENSE SOLUTIONS
LAND DEFENSE SOLUTIONS
SEA DEFENSE SOLUTIONS
F-35 fighter jet in flight

AIR DEFENSE SOLUTIONS

Advanced Protection for Aircraft Systems

Our sealing systems and thermoplastic composite components, including flight control brackets and landing gear parts, are engineered for durability and weight reduction. These solutions improve safety and performance for fighter jets, drones, and mobility aircraft.
  • Weight reduction of up to 40% with thermoplastic composites
  • Thermal stability up to 260°C
  • Expanded portfolio of seals, including AGT Rings and LCap seals
Battle tank kicking up dust

LAND DEFENSE SOLUTIONS

Enhanced Durability for Ground Systems

Greene Tweed provides robust components for land vehicles and missile systems, ensuring operational success in demanding environments.
  • Custom sealing solutions for missile systems and armored vehicles
  • Superior friction and wear resistance
  • Combat-ready materials for reliable performance
Submarine surfacing at sea during sunset

SEA DEFENSE SOLUTIONS

Reliability in Harsh Naval Environments

Our Seal-Connect® connectors, bulkhead feedthroughs, and sealing solutions ensure seamless communication and power delivery in submarines and naval vessels operating in extreme conditions.
  • Advanced connectors for secure data transmission
  • Resistance to extreme pressures and corrosive environments
  • Customizable solutions for mission-specific needs
THERMOPLASTIC COMPOSITES
SEAL-CONNECT® ADAPTERS & CONNECTORS
SEALING SYSTEMS

THERMOPLASTIC COMPOSITES

Lightweight Strength for Defense Applications

Our composite solutions provide high strength while significantly reducing weight for aircraft, unmanned vehicles, and land-based systems.
  • Friction and wear-resistant materials
  • Weight savings of up to 40%
  • Enhanced safety and performance in critical systems
Assorted thermoplastic composite components for structural and lightweight applications

SEAL-CONNECT® ADAPTERS & CONNECTORS

Advanced Connectivity Under Extreme Conditions

Engineered to protect electrical and fiber optic systems, Seal-Connect® components ensure reliable communication and power delivery in air, land, and sea applications.
  • Drop-resistant and durable designs
  • Custom options for unique defense requirements
  • 360-degree protection in severe environments
Assorted high-performance electrical and fiber optic connectors

SEALING SYSTEMS

Custom Solutions for Tough Sealing Challenges

Greene Tweed’s advanced sealing systems, including AGT Rings and Fusion™ Elastomers, deliver unmatched reliability in extreme temperatures and harsh conditions.
  • Thermal resistance up to 260°C
  • FDA-compliant for sensitive defense systems
  • Customizable designs for unique applications
3D cross-section of AGT piston ring for advanced sealing performance
F-35 fighter jet in flight

AIR DEFENSE SOLUTIONS

Advanced Protection for Aircraft Systems

Our sealing systems and thermoplastic composite components, including flight control brackets and landing gear parts, are engineered for durability and weight reduction. These solutions improve safety and performance for fighter jets, drones, and mobility aircraft.

  • Weight reduction of up to 40% with thermoplastic composites
  • Thermal stability up to 260°C
  • Expanded portfolio of seals, including AGT Rings and LCap seals
Battle tank kicking up dust

LAND DEFENSE SOLUTIONS

Enhanced Durability for Ground Systems

Greene Tweed provides robust components for land vehicles and missile systems, ensuring operational success in demanding environments.

  • Custom sealing solutions for missile systems and armored vehicles
  • Superior friction and wear resistance
  • Combat-ready materials for reliable performance
Submarine surfacing at sea during sunset

SEA DEFENSE SOLUTIONS

Reliability in Harsh Naval Environments

Our Seal-Connect® connectors, bulkhead feedthroughs, and sealing solutions ensure seamless communication and power delivery in submarines and naval vessels operating in extreme conditions.

  • Advanced connectors for secure data transmission
  • Resistance to extreme pressures and corrosive environments
  • Customizable solutions for mission-specific needs
Assorted thermoplastic composite components for structural and lightweight applications

THERMOPLASTIC COMPOSITES

Lightweight Strength for Defense Applications

Our composite solutions provide high strength while significantly reducing weight for aircraft, unmanned vehicles, and land-based systems.

  • Friction and wear-resistant materials
  • Weight savings of up to 40%
  • Enhanced safety and performance in critical systems
EXPLORE THERMOPLASTIC COMPOSITES
Assorted high-performance electrical and fiber optic connectors

SEAL-CONNECT® ADAPTERS & CONNECTORS

Advanced Connectivity Under Extreme Conditions

Engineered to protect electrical and fiber optic systems, Seal-Connect® components ensure reliable communication and power delivery in air, land, and sea applications.

  • Drop-resistant and durable designs
  • Custom options for unique defense requirements
  • 360-degree protection in severe environments
DISCOVER MORE IN THE SEAL-CONNECT® PORTFOLIO
3D cross-section of AGT piston ring for advanced sealing performance

SEALING SYSTEMS

Custom Solutions for Tough Sealing Challenges

Greene Tweed’s advanced sealing systems, including AGT Rings and Fusion™ Elastomers, deliver unmatched reliability in extreme temperatures and harsh conditions.

  • Thermal resistance up to 260°C
  • FDA-compliant for sensitive defense systems
  • Customizable designs for unique applications
EXPLORE THE INTERACTIVE CATALOG

Additional Resources:

Case Study:

How an Advanced Sealing Solution Kept Howitzer Recoil System Operating at Peak Performance


Brochure:

Defense Product Brochure

Case Study: How an Advanced Sealing Solution Kept Howitzer Recoil System Operating at Peak Performance


Brochure: Defense Product Brochure

Solutions Engineered for Mission Success

Greene Tweed combines decades of engineering expertise with cutting-edge material science to deliver custom solutions
for the most demanding defense applications

CONTACT US TO START YOUR PROJECT

Defense Articles, News, & More: Coming Soon

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        • O-Rings & Backup Rings
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        • V-Rings
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        • ELECTRICAL CONNECTORS
          • Single-Pin Connectors
          • Multi-Pin Connectors
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      • Section
        • Structural Components
          • Airflow and Lightweight Structures
          • Brackets, Fittings, & Attachment Hardware
          • Enclosures, Housings, Covers, & Fire Shields
          • Medical Devices & Surgical Tools
    • Materials
      • Chemraz® FFKM
        • Chemraz® 541
        • Chemraz® 555
        • Chemraz® 694
        • Chemraz® G57
      • Elastomers
        • Fluoraz® FEPM
        • Fusion® FKM
        • Fusion® F07
        • Xyfluor® – Fluorinated Elastomer
      • Advanced Engineering Thermoplastics
        • Arlon® PEEK
        • Avalon® Fluoropolymers
        • Arlon® 3000XT
      • Thermoplastic Composites
        • AR® – Abrasion Resistant
        • ONX®600 - Semiconductor
        • Orthtek® - Medical
        • WR® – Wear Resistant
        • Xycomp® DLF™ - High Performance
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