A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-00-221-4556
NSN 5985-00-840-7104
NSN 5855-00-198-3197
NSN 5998-01-384-3842
NSN 5915-01-555-4239
NSN 5998-01-475-4557
NSN 5950-00-401-7258
NSN 6130-01-511-3863
NSN 5996-00-153-3216
NSN 5915-00-540-8350
NSN 5960-01-585-6385
NSN 7035-00-631-3782