Nuclear hardness criticall
NSN 6685-01-390-8170
NSN 6240-01-541-9715
NSN 6620-01-067-8336
NSN 6320-01-573-6490
NSN 5975-01-622-6481
NSN 4140-00-007-2627
NSN 5835-00-823-6116
NSN 5999-00-839-0701
NSN 5990-01-311-3710
NSN 5945-01-025-1163
NSN 4140-00-067-2590
NSN 5930-01-144-0872
Last Updated: 07/26/2025