Complete item name is ammonium fluoride, reagent; comes in white crystals
NSN 4140-01-424-0841
NSN 5960-01-061-9166
NSN 6610-01-611-7884
NSN 6220-00-443-0589
NSN 6105-01-471-1593
NSN 7035-01-627-1520
NSN 5915-01-441-7857
NSN 5920-01-148-1042
NSN 6645-00-411-3733
NSN 5990-01-238-1975
NSN 5998-00-707-5781
NSN 5910-01-096-8811