Fisher Space Pen Antimicrobial Raw Brass Bullet – 400-RAW with gift box

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Fisher Space Pen 400-RAW – an antibacterial space pen made from raw brass

The Fisher Space Pen 400 series is the brand’s first model and remains its most sought-after product. The 400-RAW model is a compact pen made from 85% copper alloy and 15% zinc alloy. It is precisely this combination that provides strong antibacterial properties and protection against microbes.

The barrel is made of raw brass with a natural patina that deepens with time and use. The pen comes without a clip – this can be purchased separately.

Technical specifications

Characteristic	Value
Brand	Fisher Space Pen
Model	400-RAW
Body material	Antibacterial raw brass (85% copper alloy, 15% zinc alloy)
Length when extended	13.6 cm
Length when folded	9.6 cm
Refill	SPR4 – black ink, medium line width
Compatibility	Compatible with all PR series refills
Clip	Not included in the set
Packaging	Plastic gift box
Operating temperature	-34°C to +120°C
Warranty	Lifetime warranty against manufacturing defects

What makes it special

Writes in zero gravity, underwater and at any angle
Withstands extreme temperatures from -34°C to +120°C
The ink is thixotropic – solid when at rest, it liquefies when writing
Does not skip or bleed
It writes up to three times longer than ordinary ink
The refill contains a pressurised nitrogen cartridge
The tip is made of tungsten carbide
Every pen is hand-tested before leaving the factory
Comes with a lifetime guarantee against manufacturing defects

Ideal as a gift

Fisher Space Pens are a practical and prestigious choice for a gift. They are suitable for people in a wide variety of professions – teachers, doctors, lawyers, military personnel, police officers, business leaders and school leavers. Their compact size makes them convenient for a wallet, organiser or bag.

They won’t leak in summer or freeze in winter – you can rely on them at all times.

History of the Fisher Space Pen

During the early NASA missions, astronauts used pencils. For the Gemini project in 1965, NASA purchased 34 mechanical pencils at a total cost of $4,382.50 – around $128.89 each. This sparked widespread public outrage.

Paul S. Fisher of Fisher Pen Co. developed a pen that worked reliably in the unique environment of space. The new pressurised ink cartridge functioned in zero gravity, underwater and at extreme temperatures. Fisher invested around $1 million of the company’s own funds in the development, without any funding from NASA.

In 1967, following rigorous testing, NASA agreed to equip the Apollo programme’s astronauts with these pens. Around 400 were purchased at a price of $6 each. In February 1969, the Soviet Union also purchased 100 pens and 1,000 refills for use on the Soyuz missions. To this day, American astronauts and Russian cosmonauts continue to use the Fisher Space Pen.

Frequently Asked Questions

What material is the Fisher Space Pen 400-RAW made of?

The barrel of the 400-RAW model is made from raw brass – an alloy of 85 per cent copper and 15 per cent zinc. It is this combination that gives the pen its natural antibacterial properties. Over time, the barrel develops a patina, which makes it even more attractive. The construction and finish also incorporate steel, whilst the cartridge tip is made of tungsten carbide.

Does the Fisher Space Pen 400-RAW come with a clip?

No, the 400-RAW model is supplied without a clip. If you need a clip, it can be purchased separately. The pen fits easily into a wallet or organiser even without one. If a clip is fitted, it can be attached to the edge of a pocket or rucksack.

What type of refill does the Fisher Space Pen 400-RAW use, and can it be replaced?

The pen comes with an SPR4 refill – black ink with a medium line width. The refill contains a pressurised nitrogen cartridge that pushes the special thixotropic ink. As well as the standard refill, this model is compatible with all refills from Fisher’s PR series. Changing the refill is quick and easy.

Under what conditions can the Fisher Space Pen 400-RAW write?

The pen writes in zero gravity, underwater, at any angle and at extreme temperatures ranging from -34°C to +120°C. The ink is thixotropic – it is solid when at rest but liquefies when writing. It does not skip or leak. It writes up to three times longer than ordinary ink. These characteristics make it reliable in all conditions of use.

What is the warranty on the Fisher Space Pen 400-RAW?

Every Fisher Space Pen is precision-assembled and hand-tested before leaving the factory. The brand offers a lifetime guarantee against all manufacturing defects. This is one of the key arguments in favour of the product’s long-term reliability. If a manufacturing defect is found, the pen will be replaced.

Is the Fisher Space Pen 400-RAW suitable as a gift?

Yes, the pen is an excellent choice as a gift for men and women in various professions. It is suitable for teachers, doctors, lawyers, military personnel, police officers, business leaders and school leavers. It comes in a plastic gift box. Its history, technology and unusual material make it an interesting topic of conversation. At Dulotec.COM, you’ll find the pen at an attractive price.

What is the history of the Fisher Space Pen and why did NASA choose it?

During the early space missions, NASA astronauts used pencils, which proved to be an expensive and inconvenient solution. Paul S. Fisher developed a pressurised ink pen that works in zero gravity, underwater and at extreme temperatures. The company invested around $1 million of its own funds in the development, without any funding from NASA. Following rigorous testing, in 1967 NASA equipped the astronauts on the Apollo programme with these pens. In 1969, the Soviet Union also purchased Fisher Space Pens for the Soyuz missions. They are still used in space today.