Fisher Space Pen Gold Titanium Nitride 400TN Ballpoint Pen

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Fisher Space Pen 400TN – a legendary gift for a man

The Fisher Space Pen 400TN was the brand’s first model and remains its best-selling product to this day. The pen is coated with golden titanium nitride – one of the hardest and most abrasion-resistant coatings used on a writing instrument.

Titanium nitride is used in medicine to coat implants and in the aerospace industry to protect parts from abrasion. The golden colour is a natural result of this durable coating.

Features of the Fisher 400TN pen

Brass and steel barrel with a golden titanium nitride coating
Tungsten carbide tip
SPR4 refill – black ink, medium line width
Compatible with all Fisher PR refills
Writes at temperatures ranging from -34°C to +120°C
Works underwater, in zero gravity and at any angle
The ink is thixotropic – it is solid in its normal state but liquefies when writing
Does not skip or bleed
Writes up to 3 times longer than standard ink
The cartridge contains a pressurised nitrogen cartridge that forces the ink through
Clip for attaching to a pocket or rucksack
Compact – fits easily into a wallet or organiser
Supplied in a cardboard gift box
Lifetime guarantee against manufacturing defects

Dimensions

Length when unfolded: 13.6 cm
Length when folded: 9.6 cm

The perfect gift for a man – and not just for men

The Fisher Space Pen 400TN is a practical and prestigious choice for people in a variety of professions. 🎁 It’s suitable for doctors, lawyers, military personnel, police officers, teachers, business leaders and school leavers.

It won’t leak in summer or freeze in winter – you can keep it in your car, handbag or rucksack at all times.

The history of the Fisher Space Pen – from NASA to the present day

During the early NASA missions, astronauts used pencils. In 1965, 34 mechanical pencils were purchased for the Gemini project at a total cost of $4,382.50 – around $128.89 each. The expense drew widespread criticism.

Paul S. Fisher of Fisher Pen Co. developed a pressurised ink pen entirely at his own expense – the company invested around $1 million without any funding from NASA. 🚀 The new pen worked in zero gravity, underwater and at extreme temperatures.

In 1967, following rigorous testing, NASA equipped the Apollo astronauts with these pens. The media reported that around 400 pens were purchased at $6 each. In February 1969, the Soviet Union also purchased 100 Fisher pens and 1,000 refills for the Soyuz missions. To this day, both American and Russian cosmonauts use these pens.

Frequently Asked Questions

What makes the Fisher Space Pen 400TN different from an ordinary pen?

The Fisher Space Pen 400TN uses a pressurised nitrogen cartridge that forces the thixotropic ink towards the tip. The ink is solid at normal temperatures and only liquefies when writing – which is why the pen does not leak or run out of ink. It writes at temperatures ranging from -34°C to +120°C, underwater, in zero gravity and at any angle. Ordinary pens rely on gravity and do not work under such conditions. The titanium nitride coating ensures exceptional durability of the barrel.

What is a titanium nitride coating and why is it important?

Titanium nitride is an extremely hard and abrasion-resistant coating used in medicine to protect implants and in the space industry to enhance the durability of components. When applied to the brass barrel of the Fisher 400TN, it provides long-lasting protection against scratches and wear. The golden colour is a natural result of the coating itself – it is not paint or varnish. This is precisely what ranks it amongst the most durable coatings used on writing instruments.

What refills does the Fisher Space Pen 400TN use?

The pen comes with an SPR4 refill – black ink with a medium line width. It is compatible with all Fisher PR refills, meaning you can change the colour or line width to suit your preferences. Fisher refills are widely available and come in a range of colours and line widths.

Is the Fisher Space Pen 400TN suitable as a gift?

The Fisher Space Pen 400TN is an excellent choice as a gift for a man or woman with practical needs. It comes in a cardboard gift box and carries a lifetime guarantee against manufacturing defects. It is suitable for doctors, lawyers, military personnel, police officers, teachers, business leaders and school leavers. The pen’s history – developed for NASA missions – makes it an interesting topic of conversation and adds value to the gift.

What is the warranty on the Fisher Space Pen 400TN?

Every Fisher Space Pen is precision-assembled and hand-tested. The 400TN model comes with a lifetime warranty against all manufacturing defects. This warranty applies to the pen’s body and mechanism. Refills are consumables and are not covered by the warranty.

What are the dimensions of the Fisher Space Pen 400TN?

When extended, the pen is 13.6 cm long, and when retracted, it is 9.6 cm long. Its compact size makes it convenient to carry in a wallet, organiser or pocket. The clip allows it to be attached to the edge of a pocket or rucksack. Its small size does not hinder comfortable writing – when extended, the pen reaches a standard writing length.

How is the Fisher Space Pen linked to NASA and space missions?

Paul S. Fisher developed the pressurised-cartridge pen entirely at his own expense – without any funding from NASA. The company invested around 1 million US dollars in its development. In 1967, following rigorous testing, NASA equipped the astronauts on the Apollo mission with these pens. The media reported that around 400 pens were purchased at $6 each. In 1969, the Soviet Union also purchased 100 Fisher pens and 1,000 refills for the Soyuz missions. To this day, cosmonauts from both sides continue to use them.