Yes, No.1 is the case that was stuck and the primer was blown out. No.2 was also a .268 load, and yes there is cratering of the primer. No.3 was loaded with Nosler .264 spitzer bullets with a beginning load.
The neck of the case that was stuck with the blown primer measures .2975 outer diameter. The unfired loaded rounds with the same .268 Hornady bullet measure .2925. However, the neck measurement of the fired rounds loaded with the 140 gr Nosler measure .2925.

With regards to the deep firing pin impression on the primer, what is the correct extended length of the firing pin?

Bruce