I have a bit of an academic question relating to field gear in the 1910-1918 period. I am trying to wade through collector terms and get down to official designations of articles of equipment, and how those articles were officially referred to over time as changes were made in materials and construction.
If we look at Articles of uniform, we have the name of the article (For example: Coat, service) with no M designation defined by specifications. So, if a situation arose that one needed to refer specially to a generation/variation in a Service Coat, you could simply say The Service coat of specification No. 1160.
My problem is (as far as I know) a Cartridge Belt, Caliber .30, Dismounted, Model of 1910 is a Cartridge Belt, Caliber .30, Dismounted, Model of 1910 regardless of the snaps are eagle snaps or lift the dot snaps, if they have the clip retaining straps inside the pouch or if those have been omitted. I have seen the sewn (not woven) variations of the same belt be referred to as a M1917 however I dont think Ive seen anything official designating it as such. If this designation is true, question that raises is why would a new model designation for a construction variation for a cartridge belt but not issue a new model designation for a fundamental design change like the Meat Can pouch and Haversack after the transition from (collector term) 1st pattern to 2nd pattern?
If someone can direct me to primary documentation on the matter I would be extremely grateful.