Complete item name is ammonium fluoride, reagent; comes in white crystals
NSN 5915-00-182-8068
NSN 5985-01-551-1218
NSN 2925-01-545-2717
NSN 6645-01-460-8561
NSN 6105-00-283-2849
NSN 6320-01-340-4112
NSN 6645-01-223-2402
NSN 5998-01-477-2841
NSN 4140-01-634-0330
NSN 5895-01-462-2764
NSN 5935-01-238-0002
NSN 5945-01-166-9998