I'd be VERY reluctant to rely on that one! There's no difference I can think of between a 235 and a 261 crank, so they shouldn't have much trouble finding you a good-quality replacement shaft. Don't let 'em weasel out of their responsibility!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!