Mil Spec is engineering tested then production checked for adherence.

but for what ? inside tank turret bearings, Gatling gun bushing/connectors at altitude ? submarine doors ?

the aftermarket buys leftovers then sells for general use age.

silver anti-seize usually contains linseed. Closer to the water anti seizes contain more linseed than garage linseeds as some twits find the odor. objectionable.

take the silver n add MORE linseed. Linseed is a vegetable polymer coating.