Grenades, ammo, knives and meds are completely insurable!
THIS MOD IS SIMPLY AN UPDATE OF INTERNALERROR_’S MODS, COMBINED. ALL CREDIT FOR CODE GOES TO HIM. THANK YOU ERROR!
Meds, ammo, knives and grenades can be configured to be insurable or not.
All of these items are enabled by default.
Installation
Simply drop the InternalError-InsurableItems into user/mods/
Visit the config folder, and open the config.json to choose what you want to become insurable or not.
Compatibility
If any mod changes insurability of the above items, IT WILL CONFLICT! 
Simply change the mod folder name to:
zInternalError-InsurableItems-1.0.0 Doing so will load this mod first.
Sources
SPT 3.7.6
484 Downloads
Updated to latest version of SPT. 
Unknown SPT Version
1.2K Downloads
Updated to AKI 3.5.0.
Unknown SPT Version
192 Downloads
Updated to AKI 3.4.1.
Unknown SPT Version
550 Downloads
Updated to AKI 3.3.0.
Unknown SPT Version
191 Downloads
You can now insure knives. 
It's set to true by default.
Not quite yet...