Critical hardness
NSN 6645-01-268-4045
NSN 5835-01-220-6024
NSN 5945-01-026-0506
NSN 5905-01-539-5397
NSN 6620-00-296-6762
NSN 6650-01-135-2131
NSN 5990-01-487-0871
NSN 4140-00-505-1684
NSN 6620-01-323-6091
NSN 5999-01-479-8211
NSN 5990-01-147-5225
NSN 6135-00-377-9165
Last Updated: 05/16/2024