>> Search results for: MK1564 NSN Search Results National Stock Number (NSN) Description 5965-01-164-0561, 5965011640561 HEADSET-MICROPHONE 1320-01-351-6821 , 1320013516821 PROJECTILE,5 INCH 54 CALIBER 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information