Fisher Space Pen Cerakote® Elite Navy Blue Finished Bullet Space Pen – 400E-220 in a gift box

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Fisher Space Pen Bullet 400E-220 – a space pen with a Cerakote finish in navy blue

The Fisher Space Pen Series 400 is the brand's first model and remains its most sought-after product to this day. The 400E-220 model is coated with Cerakote—a thin-film ceramic coating known for its use in the automotive and aerospace industries, as well as on firearms and knives.

The pen is precision-assembled, hand-tested, and comes with a lifetime warranty against manufacturing defects. It is reliable in extreme temperatures, underwater, and in zero gravity.

Key Features of the Fisher Space Pen Bullet

Operates at temperatures ranging from -34°C to +120°C
It writes underwater, in zero gravity, and at any angle
Brass and steel housing with a Cerakote coating
Tungsten carbide tip
The ink is thixotropic—it doesn't run or break up
It lasts up to three times longer than regular ink
Refill Cartridge with a Pressurized Nitrogen Cartridge
Compact size—fits in a wallet or organizer
Clip for attaching to a pocket or backpack

Perfect for every season and every situation

Summer doesn't melt away, and winter doesn't freeze. It's a reliable companion in your car, purse, or backpack. It's suitable for everyday use in all conditions.

A great gift for men and women

Fisher Space Pens are practical and durable. They’re a pleasure to use and make for an excellent conversation starter because of the history and technology behind them.

They are suitable for teachers, doctors, lawyers, politicians, business leaders, high school seniors, craftsmen, police officers, and military personnel. They come in a plastic gift box.

The History of the Space Pen

During the early NASA missions, astronauts used pencils. For the Gemini project, NASA purchased mechanical pencils in 1965 for a total of $4,382.50—about $128.89 each. This sparked public outrage, and NASA began looking for alternatives.

Paul S. Fisher of Fisher Pen Co. developed a ballpoint pen that works in the unique environment of space—without funding from NASA. The company invested about $1 million of its own funds, patented the product, and brought it to market.

In 1967, after rigorous testing, NASA equipped the Apollo mission astronauts with these pens. Approximately 400 were purchased at a price of $6 each. In February 1969, the Soviet Union also purchased 100 pens and 1,000 refills for the Soyuz spaceflights. To this day, both American astronauts and Russian cosmonauts continue to use them.

Specifications	Value
Brand	Fisher Space Pen
Model	400E-220
Series	Bullet Space Pen 400
Coverage	Cerakote
Color	Cerakote Navy Blue
Length when unfolded	13.6 cm
Length when folded	9.6 cm
Housing	Brass and Steel
Nozzle	Tungsten carbide
Magazine	SPR4 – black ink, medium thickness
Compatibility	Works with all Fisher PR cartridges
Operating temperature	-34°C to +120°C
Packaging	Plastic gift box
Warranty	Lifetime Warranty Against Manufacturing Defects

Frequently Asked Questions

What is the difference between a regular ballpoint pen and a Fisher Space Pen?

The Fisher Space Pen uses a pressurized ink cartridge that is hermetically sealed and pressurized by a nitrogen cartridge. This allows the pen to write in zero gravity, underwater, and at temperatures ranging from -34°C to +120°C. Ordinary pens rely on gravity to feed the ink and cannot function under such conditions. The ink is thixotropic—it is solid at rest but liquefies when writing. This is precisely what prevents leakage and broken lines.

What is Cerakote coating, and why is it important?

Cerakote is a thin-film ceramic coating with high resistance to wear, corrosion, and chemicals. It is used in the automotive and aerospace industries, as well as for coating firearms and knives. Applied to the body of the Fisher Space Pen 400E-220, it provides lasting protection and a distinctive matte finish in navy blue. The coating does not chip and preserves the pen’s appearance during long-term use.

Can the refill for the Fisher Space Pen 400E-220 be replaced?

Yes, the pen works with all Fisher PR refills. The standard refill is the SPR4, which features black ink and a medium line width. When the ink runs out, you can easily insert a new refill without needing any special tools. This makes the pen a long-lasting investment rather than a disposable product.

Is the 400E-220 model a good gift?

Yes, the pen comes in a plastic gift box, making it ready to give as a gift without any additional wrapping. This model is suitable for men and women in various professions—doctors, lawyers, military personnel, police officers, teachers, business leaders, and high school seniors. The product’s history and the technology behind it make this a unique and memorable gift. At Dulotec.COM, you’ll find this pen with fast shipping.

What kind of warranty is offered for the Fisher Space Pen?

Every Fisher Space Pen is precision-assembled and hand-tested. It comes with a lifetime warranty against all manufacturing defects. This is a testament to the quality of craftsmanship and the product’s reliability over the long term. The warranty covers defects in materials and workmanship, but not mechanical damage resulting from misuse.

Are these pens actually used in space?

Yes. After rigorous testing, NASA equipped the Apollo mission astronauts with Fisher pens in 1967. Approximately 400 pens were purchased at a price of $6 each. In 1969, the Soviet Union also purchased 100 pens and 1,000 refills for the Soyuz spaceflights. To this day, both American astronauts and Russian cosmonauts continue to use them. The development was funded entirely by Fisher Pen Co. without any funding from NASA—the company invested about $1 million of its own funds.

Is the Fisher Space Pen Bullet comfortable to carry?

The Bullet model is compact—it measures 9.6 cm when folded and 13.6 cm when unfolded. It fits easily into a wallet or organizer. The clip allows you to attach it to the edge of a pocket or backpack. The pen doesn’t leak in the summer or freeze in the winter, making it a reliable companion for your car, everyday bag, or outdoor adventures.