Complete item name is ammonium fluoride, reagent; comes in white crystals
NSN 5960-01-522-0391
NSN 6110-01-212-9568
NSN 5910-00-552-1983
NSN 6620-01-332-8903
NSN 5915-00-553-8755
NSN 5920-00-913-3728
NSN 5930-01-462-5897
NSN 6105-01-167-9229
NSN 5990-01-345-1468
NSN 5895-01-294-8565
NSN 6645-01-623-4199
NSN 6135-00-134-6648