Jason Everman

In the photo, Jason Everman is seen with an orange pedal resembling the Boss DS-1 Distortion. Additional details about his gear can be found on Alex Roberts' page at LiveNirvana.

Jason Used it on Nirvana time (1989), you can see him at left on this photo, that was shot on Club Dreamerz, 07/08/89, Chicago

In the video, specifically at 1:35, you can see Everman using a Natural finish Precision bass with what looks like an EMG Precision Bass pickup. He used a variety of basses throughout his tenure with Soundgarden so it's unknown if he stripped the paint of a previous Precision or if he just had a modified Natural one.

According to Alex Roberts on Live Nirvana's Equipment Guide, Jason Everman used the DOD FX-17 Wah-Volume pedal.

Jason Everman is seen with a Gibson Les Paul Studio Electric Guitar in a photo available on Livenirvana.

Jason Everman is seen with a Warmoth Stratocaster in a photo from Livenirvana, confirming his use of this guitar.

in this photo you can see jason everman on the left of the stage using a marshall jcm800 head on a marshall 1960a 4x12,and a fender twin reverb 2x12. he used this amp set up for all of the 1 month he played shows with nirvana. Edit: this is not a 2203 it’s either a 2205 or 2210 thank to the knob layout

According to Alex Roberts in the Equipment Guide section on Live Nirvana, Jason Everman used the Seymour Duncan '59 Bridge SH-1B humbucker in both his Stratocaster and Telecaster, specifically in the bridge position.