National Aviation Military Spec O-Ring – MS28775-013
National Aviation Military Spec O-Ring – MS28775-013
● In stock — ships in 1–3 business days
✈ FREE U.S. shipping on orders over $350
The MS28775-013 O-Ring from National Aviation is a unique product designed to meet the exacting standards of the military. It is made from a high-grade elastomeric material that is resistant to extreme temperatures, chemicals, and other environmental factors. The O-Ring is designed to provide a secure seal in a variety of applications, making it an ideal choice for military and aerospace applications.
The MS28775-013 O-Ring is designed to provide superior performance in a wide range of applications. It is designed to be resistant to extreme temperatures, chemicals, and other environmental factors. The O-Ring is also designed to provide a secure seal in a variety of applications, making it an ideal choice for military and aerospace applications.
The MS28775-013 O-Ring from National Aviation is a unique product that is designed to meet the exacting standards of the military. It is made from a high-grade elastomeric material that is resistant to extreme temperatures, chemicals, and other environmental factors. The O-Ring is designed to provide a secure seal in a variety of applications, making it an ideal choice for military and aerospace applications.
Shipping & Delivery
FREE U.S. shipping on orders over $350.
Ships directly from our authorized U.S. aviation supplier's warehouse.
- Typically processed within 1–3 business days
- Tracking emailed as soon as your order ships
- Multiple items may arrive in separate packages — at no extra cost
Returns & Refunds
30-day returns · no restocking fee · free return label.
Request a return within 30 days of delivery and a prepaid return label is issued within 2 business days. Your refund is processed automatically once the supplier receives the return.
Is this product genuine?
Yes — every product on Skyfarer Shop ships from an authorized aviation supplier or the brand's official distribution network. No gray-market stock, no knock-offs: the same parts, gear, and materials you'd get at the airport shop, backed by the manufacturer's own warranty where one applies.
Not sure this is the right fit?
We're pilots — happy to sanity-check part numbers, compatibility, or compare options before you order. Send us a note and we'll get back to you within one business day. You can also browse Skyfarer to connect with flight schools and instructors.