Crate

Item	Amount	Chance
Gears	2–3	22%
Metal Pipe	1–5	22%
Metal Spring	1–2	22%
Road Signs	2–4	22%
Sheet Metal	1–2	22%
Semi Automatic Body	1	22%
Electric Fuse	1	22%
Hazmat Suit	1	7.5%
Diving Mask	1	4.2%
Diving Tank	1	2.5%
Targeting Computer	1	2.5%
CCTV Camera	1	2%
Large Solar Panel	1	1.9%
Wetsuit	1	1.7%
Diving Fins	1	1.7%
Small Rechargeable Battery	1	1.6%
Pressure Pad	1	1.6%
Blocker	1	1.6%
Electrical Branch	1	1.6%
OR Switch	1	1.6%
XOR Switch	1	1.6%
Switch	1	1.6%
Splitter	1	1.6%
Timer	1	1.6%
Door Controller	1	1%
Root Combiner	1	1%
Flasher Light	1	1%
Siren Light	1	1%
Kayak	1	0.8%
Siege Tower	1	0.8%
Floor grill	1	0.8%
Floor triangle grill	1	0.8%
High External Wooden Gate	1	0.8%
Wooden Ladder	1	0.8%
High External Wooden Wall	1	0.8%
Chainlink Fence Gate	1	0.8%
Chainlink Fence	1	0.8%
Metal Window Bars	1	0.8%
Watch Tower	1	0.8%
Bucket Helmet	1	0.8%
Miners Hat	1	0.8%
Prisoner Hood	1	0.8%
Riot Helmet	1	0.8%
Snow Jacket	1	0.8%
Jacket	1	0.8%
Pants	1	0.8%
Shirt	1	0.8%
T-Shirt	1	0.8%
Longsleeve T-Shirt	1	0.8%
Wooden Armor Insert	1	0.8%
Sandbag Barricade	1	0.8%
Barbed Wooden Barricade	1	0.8%
Snap Trap	1	0.8%
Bed	1	0.8%
Beehive	1	0.8%
Ceiling Light	1	0.8%
Chair	1	0.8%
Chicken Coop	1	0.8%
Cooking Workbench	1	0.8%
Drop Box	1	0.8%
Fridge	1	0.8%
Hopper	1	0.8%
Hot Air Balloon Armor	1	0.8%
Engineering Workbench	1	0.8%
Mixing Table	1	0.8%
Audio Alarm	1	0.8%
Button	1	0.8%
Tin Can Alarm	1	0.8%
Electric Heater	1	0.8%
Fluid Combiner	1	0.8%
Fluid Splitter	1	0.8%
Fluid Switch & Pump	1	0.8%
Storage Adaptor	1	0.8%
Industrial Combiner	1	0.8%
Industrial Conveyor	1	0.8%
Industrial Splitter	1	0.8%
Sprinkler	1	0.8%
Reactive Target	1	0.8%
Shotgun Trap	1	0.8%
Small Water Catcher	1	0.8%
Flame Turret	1	0.8%
Flare	4–6	0.8%
Metal Detector	1	0.8%
Telephone	1	0.8%
Weapon flashlight	1	0.8%
Beancan Grenade	1	0.8%
Bee Grenade	1	0.8%
Boomerang	1	0.8%
Salvaged Cleaver	1	0.8%
Compound Bow	1	0.8%
Double Barrel Shotgun	1	0.8%
Hatchet	1	0.8%
Combat Knife	1	0.8%
Mace	1	0.8%
Mini Crossbow	1	0.8%
Pickaxe	1	0.8%
Waterpipe Shotgun	1	0.8%
Reinforced Wooden Shield	1	0.8%
Revolver	1	0.8%
Salvaged Hammer	1	0.8%
Satchel Charge	1	0.8%
Speargun	1	0.8%
Salvaged Sword	1	0.8%
Handmade SMG	1	0.8%
AND Switch	1	0.8%
RAND Switch	1	0.8%
Igniter	1	0.8%
Comfort Workbench Upgrade	1	0.6%
Defensive Workbench Upgrade	1	0.6%
Recycle Bin Workbench Upgrade	1	0.6%
Range Workbench Upgrade	1	0.6%
Medium Rechargeable Battery	1	0.4%
Counter	1	0.3%
Large Rechargeable Battery	1	0.3%
Laser Detector	1	0.3%
Memory Cell	1	0.3%
Auto Turret	1	0.2%
HBHF Sensor	1	0.2%
RF Broadcaster	1	0.2%
RF Receiver	1	0.2%
RF Pager	1	0.1%
RF Transmitter	1	0.1%
Small Generator	1	0.1%
Tesla Coil	1	0.1%

Chances are the odds at least one of that item appears when the container is opened. "BP" = dropped as a blueprint.

Other crates containers