When the linen conveyor belt started up carrying Jim, the sound was that of the photon torpedoes being fired from the Enterprise (Star Trek TOS).
The pocket knife Jim uses to cut the laundry bag is an Opinel.
Seen very briefly as part of the equipment used during Barney's conditioning is a Radio Shack Micronta Signal Tracer. These were used by electronic technicians to service audio and RF equipment.