I remember the black champ on Atlantis, with Sheppard using it as a mirror when that Wraith was in control of the Puddle Jumper on the Desert world. In a similar circumstance O'Neil used a monocular and miniperiscope at times. I think every time he used a knife was a fixed blade.
I wouldn't be surprised if the answer was a purposeful no, he is the one that insisted that Stargate be an ensemble show, being tired of being the central character in almost every shot for MacGuyver. He may have requested no nods like a SAK out of fatigue early on.
A Swisschamp in every away team's tac vest makes sense though