A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-01-458-1166
NSN 5855-00-763-2155
NSN 6145-00-814-1215
NSN 6150-01-310-5041
NSN 6320-01-415-0953
NSN 6685-01-604-9278
NSN 6110-01-056-4964
NSN 5998-01-468-0001
NSN 6620-01-451-1168
NSN 5905-00-801-0466
NSN 6105-00-952-0104
NSN 6150-01-581-1695