GSUIT

Set to 6 different clues across 8 published puzzles, most often “Astronaut's wear” — The New York Times, Wednesday, 13 April 2011.

5 letters

Every clue on record, most used first

Astronaut's wear2 times
The New York Times — Wednesday, 13 April 2011
Astronaut's attire2 times
The New York Times — Thursday, 5 November 2009
Spaceship attireonce
The New York Times — Sunday, 19 December 2010
Aviator's protectiononce
The New York Times — Friday, 5 December 2008
Attire for a trip around the world?once
The New York Times — Saturday, 7 June 2008
Outer-space wearonce
The New York Times — Sunday, 16 January 2000