A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5950-01-352-8044
NSN 4140-01-388-9377
NSN 6650-00-877-1797
NSN 6150-01-361-4808
NSN 5960-00-140-4448
NSN 6135-01-286-9563
NSN 5996-01-187-0838
NSN 5985-01-455-8293
NSN 5905-01-627-6158
NSN 5990-01-491-1397
NSN 5975-01-411-2292
NSN 6685-00-053-9917