Flamemaster CS-1900 Black - High-Performance Aircraft Sealant (Meets MIL-S-38249 Type I)

NSN 8030-00-723-5345    

Ensure robust and reliable sealing in critical aircraft applications with Flamemaster CS-1900 Black. This high-performance, two-part polysulfide sealant is specifically engineered to provide excellent fuel resistance, flexibility, and adhesion to aircraft substrates. Meeting the stringent requirements of MIL-S-38249 Type I, it is designed for sealing integral fuel tanks, pressurized cabins, and other areas requiring exceptional resistance to aviation fuels, lubricants, and environmental conditions. Its durable black formulation offers long-lasting performance and contributes to the structural integrity of the aircraft.

Key Features for Aviation:

• Specifically designed for demanding sealing applications in the aviation industry.
  
• Meets the requirements of U.S. Military Specification MIL-S-38249 Type I, ensuring high performance and reliability.
  
• Provides excellent resistance to aviation fuels (Jet A, JP-8, etc.), lubricants, and hydraulic fluids.
  
• Offers superior flexibility and adhesion to common aircraft substrates like aluminum and composites.
  
• Durable black color for easy identification and inspection.
  
• Two-part system allows for controlled application and curing.
  
• Ideal for sealing integral fuel tanks, pressurized cabins, and other critical areas requiring fluid-tight seals.
  
• Maintains its properties across a wide range of operational temperatures and environmental conditions.

Typical Aviation Applications:

Sealing integral fuel tanks to prevent leaks.
Sealing pressurized cabins to maintain cabin pressure.
Sealing aircraft canopies and windshields.
Sealing faying surfaces to prevent corrosion.
Sealing access doors and panels.
Sealing around fasteners and rivets.
Use in the manufacturing, repair, and maintenance of commercial and military aircraft.

Military Specifications: MIL-S-38249, Type I.

Equivalent to PPG: PS700

• All in-stock orders are processed within 1–2 business days (excluding weekends and holidays) after receiving your order confirmation email.
• Orders with a lead time will ship according to the estimated shipping time shown on the product page.
• If we experience a high volume of orders or if an item is backordered, processing times may be slightly delayed. We will notify you promptly via email.

• Returns must be made within a maximum of 3 business days after receiving the product, with prior authorization from Aircraft Shop Supply (Return Material Authorization). Returns without prior notice or written authorization will not be accepted.
• For products with 3 to 6 months of remaining shelf life, claims must be made within the next 2 business days after receipt.
• Returns are not accepted for products with less than 3 months of remaining shelf life.
• Returns are not accepted for products purchased during a low Shelf Life promotion, items sold with discounts, or special orders that must be placed directly with the factory.
• The customer is responsible for the return shipping cost, except in cases where the return is due to an error on the part of Aircraft Shop Supply.
• Refunds will only be issued after the product has been inspected and no damage is found.
• A 25% Restocking Fee will be charged for returns of products in good condition that are either no longer needed or were ordered incorrectly.
• A 35% Restocking Fee will be charged for returns of products with one year or less of remaining shelf life.
• No Restocking Fee will be charged if Aircraft Shop Supply is responsible for incorrectly shipping a product, or if the order is damaged upon leaving the warehouse.
• Hazardous Materials & Dangerous Goods: These items are sold as final and are not eligible for return approval.