400
Pull out a CMU-33/A and point out everything that has either an expiration date or removal due to HI-TIME. If they have a HI-TIME name the inspection interval.
LPU-21E/P (180 Day), Batteries (SDU-39, Sidewinder, Penlight), Water Tablets (Expire every 3 years), Radio (360 Day), SRU-42/P (720 Day), Items in SRU-31/P or A/P.