NAS1593-011 – Aerospace Packing Preformed O-Ring
Available now on the Airparts.aero Marketplace.
Overview
The NAS1593-011 Preformed Packing O-Ring is a military-standard, aerospace-grade elastomeric seal engineered for use in hydraulic, fuel, pneumatic, and lubrication systems requiring exacting dimensional control and high-performance fluid sealing. Designed in accordance with NAS1593 specification, this preformed O-ring is ideal for tight-tolerance, high-pressure installations in rotary and fixed-wing aircraft systems.
Manufactured from fluorocarbon or nitrile elastomer (material specified per application), the NAS1593-011 delivers exceptional chemical resistance, thermal stability, and leak-tight performance. Its preformed shape ensures optimal groove conformity and installation accuracy, making it a preferred sealing solution in military, commercial, and general aviation applications.
Key Features
- NAS1593 Specification Compliant: Built to military standards for critical aerospace sealing applications.
- Preformed Geometry: Enhances sealing performance in rectangular or contoured gland designs.
- Material Options: Available in fluorocarbon (Viton/FKM) or nitrile (Buna-N) for chemical-specific environments.
- High Temperature & Pressure Tolerance: Suitable for aircraft systems operating up to 400°F (204°C) and 3,000+ PSI.
- Reliable Sealing Performance: Prevents leaks under thermal cycling, vibration, and pressure pulsation.
- Traceable and FAA-Approved: Certified for use in type-certificated aircraft and defense applications.
Technical Specifications
- Part Number: NAS1593-011
- Standard: NAS1593
- Dash Size: -011 (per AS568A size chart)
- Material: Fluorocarbon (Viton) or Nitrile (Buna-N) elastomer
- Cross Section: 0.070 inches
- Inner Diameter: 0.364 inches
- Temperature Range: -40°F to +400°F (material dependent)
- Application: Static and limited dynamic sealing in aerospace fluid systems
- Certification: MIL-spec, FAA-compliant, PMA traceability optional
Aircraft & System Compatibility
Used across:
- Commercial, military, and general aviation systems
- Fuel injectors, hydraulic reservoirs, fuel system interfaces
- Landing gear actuators, brake assemblies, and control valves
Match size and material with IPC, engineering drawings, or maintenance manuals for proper installation.
Applications
- Hydraulic Seals and Plugs
- Fuel System O-Ring Interfaces
- Landing Gear Servos and Pistons
- Pneumatic System Seals
- Accessory Drive Components
Why Choose NAS1593-011?
- Precision Fit: Designed for dimensional compatibility in NAS-standard gland designs.
- Material Versatility: Choose fluorocarbon or nitrile based on fuel, oil, or hydraulic system requirements.
- Reliable Performance: Maintains seal integrity under extreme environmental and pressure conditions.
- Airworthy and Traceable: Meets all aerospace compliance and documentation requirements.
Order Your NAS1593-011 Preformed O-Ring Today
Seal fluid systems with confidence using military-grade precision components.
Order the NAS1593-011 Preformed O-Ring from Airparts.aero now—backed by FAA compliance, traceability, and expert customer support.
The NAS1593-011 packing ring offers exceptional sealing integrity and chemical resistance for critical aircraft systems. As a preformed, dimensionally stable O-ring, it provides reliable sealing in tight-tolerance, NAS-standard gland grooves, supporting leak-free operation in fuel, hydraulic, and pneumatic subsystems. Trusted by MROs and OEMs worldwide, Airparts.aero delivers certified sealing solutions with prompt availability and technical expertise.
Use in accordance with AMM torque specs and system-specific lubrication guidelines. Verify gland compatibility before installation.
NOTES
MATERIAL COMPOSITION SYNTHETIC RUBBER IN THE FORM OF FLUROCARBON NO SHELF LIFE REQUIRED
Applicable Aircraft
- Skylane
- Stationair
List not comprehensive, may be applicable on other models.
