Drop chances

ItemStage 10Stage 50Stage 100Avg count
Iron23%23%23%3.38
Lead23%23%23%3.36
Bone14%14%14%0.3
Brass11%11%11%15.8
Rotting Flesh10%10%10%0.21
Cloth Fragment9.6%9.6%9.6%0.3
Scrap Polymers9.5%9.5%9.5%0.53
Nails9.5%9.5%9.5%0.29
Glue9.3%9.3%9.3%0.14
Short Iron Pipe9.3%9.3%9.3%0.29
Old Sham Sandwich5.7%5.7%5.7%0.06
Bottle of Acid5.3%5.3%5.3%0.05
Feather4.1%4.1%4.1%0.12
Gunpowder2.2%2.2%2.2%0.29
Old Cash2.2%2.2%2.2%0.17
plantedAloe11.9%1.9%1.9%0.02
plantedPotato11.8%1.8%1.8%0.02
plantedYucca11.8%1.8%1.8%0.02
plantedCoffee11.8%1.8%1.8%0.02
plantedMushroom11.8%1.8%1.8%0.02
plantedGoldenrod11.8%1.8%1.8%0.02
plantedPumpkin11.8%1.8%1.8%0.02
plantedBlueberry11.7%1.7%1.7%0.02
plantedChrysanthemum11.7%1.7%1.7%0.02
Duke's Casino Token1.7%1.7%1.7%0.13
plantedHop11.7%1.7%1.7%0.02
plantedCorn11.7%1.7%1.7%0.02
Animal Fat1.5%1.5%1.5%0.02
Empty Water Jar1.4%1.4%1.4%0.01
Electrical Parts1.3%1.3%1.3%0.02
Duct Tape1.3%1.3%1.3%0.02
Mechanical Parts1.3%1.3%1.3%0.02
Oil1.3%1.3%1.3%0.04
Spring1.3%1.3%1.3%0.02
Headlight1.3%1.3%1.3%0.02
Sewing Kit1.2%1.2%1.2%0.02
Brass Radiator1.1%1.1%1.1%0.01
Bullet Casing0.96%0.96%0.96%0.22
Lockpick0.95%0.95%0.95%0.01
Bullet Tip0.86%0.86%0.86%0.2
Buckshot0.83%0.83%0.83%0.19
Steel Arrowhead–0.80%0.80%0.06
Rifle World0.06%0.06%0.06%0
Shotgun Weekly0.06%0.06%0.06%0
Vehicle Adventures0.05%0.05%0.05%0
Electrical Traps0.05%0.05%0.05%0
Tactical Warfare0.05%0.05%0.05%0
Pack Rat Magazine0.05%0.05%0.05%0
Bow Hunters0.05%0.05%0.05%0
Vehicle Off Road Headlights Mod Schematic0.08%0.04%0.03%0
Iron Arrowhead0.80%––0

Average count per open at loot stage 50. From 40,000 simulated opens per stage; perks that raise loot are not counted.