Dear Sergeant J. A. L., Here's how I see it: TB 746-93-1 (Oct 64) says the vehicle number should be its sequence number in the normal order of march in the unit. AR 320-5 (Apr 65) says a trailer is a vehicle. Therefore, you'd give the trailer the number after the number of the truck normally pulling it. 1/a - PAINT FITs THE PINS t" You're making some trouble for lubrication. If it's OK with the CO, yourself if you mix up hinges and just paint 'em and save some grease- latches with lifting shackles and sling lube-wise and elbow-wise. points-at least when you're reading LO's. - The pins in the lifting shackles and Il sling points don't really need to be V/ do just as well according to para 66, Si TM 9-273, "Lubrication of Ordnance Material." This paragraph points out PAINT THE PINS IF that parts such as these pins don't move OK WITH THE CO( ' around much-so they don't need