PMA Manufacturing
Precision-Engineered Alternatives When Certification and Reliability Are Mission-Critical
The Rubber Group serves as your trusted manufacturing partner, producing components to the exact specifications required for your PMA certification while maintaining the strictest standards of quality and consistency. We specialize in manufacturing high-performance elastomeric components that meet the exacting requirements of Parts Manufacturer Approval (PMA) applications. Our precision manufacturing capabilities, reverse engineering expertise, and aerospace-grade quality systems provide PMA holders with the reliable manufacturing partner they need to bring cost-effective alternatives to market. When your PMA certification demands precision, consistency, and complete documentation, our team delivers components that meet or exceed OEM specifications.
Aerospace-Grade Material Expertise
Our comprehensive material science capabilities ensure your PMA components deliver superior performance while meeting rigorous aerospace requirements:
Aerospace-Grade Material Expertise
Our comprehensive material science capabilities ensure your PMA components deliver superior performance while meeting rigorous aerospace requirements:
- Fluorosilicone - Exceptional resistance to jet fuel, hydraulic fluids, and extreme temperatures (-65°F to +400°F) for fuel system and engine applications
- Fluorocarbon (Viton®) - Outstanding chemical resistance and high-temperature stability for engine systems and fluid exposure
- EPDM - Excellent weather resistance, ozone protection, and electrical insulation properties for exterior components and cabin systems
- Nitrile (NBR) - Superior oil and fuel resistance for hydraulic and pneumatic system seals
- Silicone - Wide temperature performance with excellent compression set characteristics for cabin pressurization and environmental sealing
- AMS Specification Materials - Compounds meeting specific Aerospace Material Specifications (AMS) requirements
- Custom Aerospace Compounds - Proprietary formulations developed specifically for aviation applications with enhanced performance characteristics
Performance Characteristics
- Reinforced Polymers - Bonding to metals, plastics, and fabrics to increase strength
- Low-Temperature Flexibility - Performance in extreme cold at high altitudes
- Ozone & UV Resistance - Long-term durability for exterior applications
- Compression Set Resistance - Maintained sealing force through pressure cycles
- Fluid & Chemical Compatibility - Resistance to aviation hydraulic fluids, de-icing solutions, and cleaning agents
- Low Outgassing Properties - Minimal volatiles for cabin air quality
- Wear-Resistant Compounds - Extended service life in dynamic applications
- Vibration Dampening - Specialized formulations for noise and vibration reduction
Reverse Engineering Capabilities for PMA Development
Our comprehensive reverse engineering services help you develop exact replacements or improved alternatives to OEM components:
Component Analysis & Replication
- Precision Dimensional Analysis - Detailed measurement of complex geometries and critical features
- Material Characterization - Comprehensive testing to identify and replicate original elastomer compounds
- Destructive Testing Support - Analysis of cross-sections and internal features when needed
- Comparison Documentation - Detailed reports documenting equivalence to original components
Component Analysis & Replication
- Precision Dimensional Analysis - Detailed measurement of complex geometries and critical features
- Material Characterization - Comprehensive testing to identify and replicate original elastomer compounds
- Destructive Testing Support - Analysis of cross-sections and internal features when needed
- Comparison Documentation - Detailed reports documenting equivalence to original components
FAA PMA Applications Across Aircraft Systems
Engine & Propulsion Systems
Our precision-engineered components deliver reliable performance in critical engine applications:
- Intake System Seals - Custom ducting seals and gaskets for air intake systems
- Exhaust System Components - High-temperature seals for exhaust flanges and manifolds
- Oil System Seals - Precision O-rings and gaskets for lubrication systems
- Fuel System Components - Fuel-resistant diaphragms, seals, and connector elements
- Engine Mount Isolators - Vibration damping components for engine installations
- Firewall Seals - Flame-resistant penetration seals and bulkhead components
- Bleed Air System Parts - High-temperature components for pneumatic systems
- Nacelle Components - Specialized seals for cowling and nacelle assemblies
Hydraulic & Pneumatic Systems
Engineered alternatives for flight-critical fluid power systems:
- Hydraulic Seal Kits - Complete replacement seal packages for actuators and cylinders
- Control Valve Seals - Precision sealing elements for hydraulic control valves
- Rod Wipers & Scrapers - Contamination exclusion components for hydraulic pistons
- Pneumatic System Diaphragms - Sensing and actuation components for air systems
- Backup Rings & Support Elements - Anti-extrusion components for high-pressure seals
- Filter Element Seals - Critical sealing for hydraulic filtration systems
- Quick-Disconnect Couplings - Sealing elements for fluid connection systems
Flight Control Systems
Reliable components for mission-critical control surfaces:
- Actuator Boot Seals - Environmental protection for linear and rotary actuators
- Control Surface Seals - Gap seals and fairings for ailerons, elevators, and rudders
- Bell Crank Boots - Protective covers for mechanical linkage components
- Bearing Seals - Contamination exclusion for control surface pivots
- Cable Routing Grommets - Protective elements for control cable penetrations
- Trim Tab Components - Specialized sealing for trim adjustment mechanisms
- Torque Tube Boots - Flexible covers for rotational drive components
- Push-Pull Tube Seals - Environmental protection for mechanical control linkages
Environmental & Cabin Systems
FAA-approved alternatives for passenger comfort and safety systems:
- Air Distribution Duct Connectors - Flexible elements for environmental control systems
- Cabin Pressurization Components - Critical seals for maintaining cabin pressure
- Potable Water System Parts - NSF-compliant components for drinking water systems
- Waste System Seals - Chemical-resistant seals for lavatory and waste systems
- Noise Isolation Components - Acoustic dampening elements for cabin comfort
- Emergency Oxygen System Parts - Critical components for passenger oxygen delivery
- Window Seals - Pressure and environmental seals for aircraft windows
- Door Seal Profiles - Complex extrusions for entry, service, and emergency doors
Fuel & Fluid Management
Certified alternatives for critical containment systems:
- Fuel Cell Bladders - Replacements and repairs for flexible fuel containment
- Fuel Quantity Sensor Gaskets - Precision sealing for measurement systems
- Fuel Line Grommets - Penetration seals for structural pass-throughs
- Tank Access Cover Gaskets - Reliable sealing for maintenance access points
- Fluid Connector O-rings - Precision seals for fuel and hydraulic connections
- Valve Seat Inserts - Replacements for fuel control valve components
- Boost Pump Seals - Critical sealing for fuel delivery systems
- Filler Cap Gaskets - Environmental sealing for fueling points