O-rings for MIL-F-5572, MIL-F-5616 or MIL-F-5624 fuels from -65° to +200°F. Fuel-resistant, straight thread, tube fitting, boss. These rings are identified with a non-permanent red stripe, 1?32" wide, around the outer circumference.
Pilots HQ responded promptly to my order. They were delivered on time and pricing was reasonable. I would order from them again. Top notch company, very professional.