A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-815-2827
NSN 5990-01-221-6361
NSN 6650-01-361-9336
NSN 5990-01-219-9018
NSN 6645-01-400-2119
NSN 5975-01-427-3521
NSN 5905-00-995-5202
NSN 5945-01-495-4047
NSN 5965-01-224-9756
NSN 6220-00-950-7477
NSN 6620-00-229-2728
NSN 2925-01-291-9997