diff --git a/code/modules/experisci/experiment/experiments.dm b/code/modules/experisci/experiment/experiments.dm
index 843314f9ea4..f707d10efda 100644
--- a/code/modules/experisci/experiment/experiments.dm
+++ b/code/modules/experisci/experiment/experiments.dm
@@ -262,7 +262,7 @@
 		/obj/machinery/chem_heater = 3,
 		/obj/machinery/power/emitter = 3
 	)
-	required_stock_part = /datum/stock_part/micro_laser/high
+	required_stock_part = /obj/item/stock_parts/micro_laser/high
 
 /datum/experiment/scanning/points/machinery_pinpoint_scan/tier2_capacitors
 	name = "Advanced Capacitors Benchmark"
@@ -278,7 +278,7 @@
 		/obj/machinery/chem_dispenser/drinks = 3, /*actually having only the chem dispenser works for scanning soda/booze dispensers but im not quite sure how would i go about actually pointing that out w/o these two lines*/
 		/obj/machinery/chem_dispenser/drinks/beer = 3
 	)
-	required_stock_part = /datum/stock_part/capacitor/adv
+	required_stock_part = /obj/item/stock_parts/capacitor/adv
 
 /datum/experiment/scanning/points/machinery_pinpoint_scan/tier2_scanmodules
 	name = "Advanced Scanning Modules Calibration"
@@ -291,7 +291,7 @@
 		/obj/machinery/piratepad/civilian = 2,
 		/obj/machinery/rnd/bepis = 3
 	)
-	required_stock_part = /datum/stock_part/scanning_module/adv
+	required_stock_part = /obj/item/stock_parts/scanning_module/adv
 
 /datum/experiment/scanning/points/machinery_pinpoint_scan/tier3_cells
 	name = "Power Cells Capacity Test"
@@ -319,7 +319,7 @@
 		/obj/machinery/chem_heater = 2,
 		/obj/machinery/chem_mass_spec = 3
 	)
-	required_stock_part = /datum/stock_part/micro_laser/ultra
+	required_stock_part = /obj/item/stock_parts/micro_laser/ultra
 
 /datum/experiment/scanning/random/mecha_damage_scan
 	name = "Exosuit Materials 1: Stress Failure Test"
diff --git a/code/modules/experisci/experiment/types/scanning_machinery.dm b/code/modules/experisci/experiment/types/scanning_machinery.dm
index 141ac3e41fd..97a75a2b355 100644
--- a/code/modules/experisci/experiment/types/scanning_machinery.dm
+++ b/code/modules/experisci/experiment/types/scanning_machinery.dm
@@ -33,7 +33,9 @@
 	name = "Machinery Pinpoint Stock Parts Scanning Experiment"
 	description = "Base experiment for scanning machinery with specific parts"
 	exp_tag = "Scan"
-	///Which stock part are we looking for in the machine
+	///Which stock part are we looking for in the machine.
+	///We use obj instead of datum here, as some stock parts aren't datumised, and in datumised ones
+	///we can just look for the physical_object_reference to match up the requirement.
 	var/obj/item/stock_parts/required_stock_part = /obj/item/stock_parts
 
 /datum/experiment/scanning/points/machinery_pinpoint_scan/check_progress()