A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-00-248-4202
NSN 6130-01-646-7150
NSN 6685-01-550-2592
NSN 6645-01-426-8621
NSN 6130-01-656-3549
NSN 6320-01-607-1491
NSN 6685-01-298-9307
NSN 5999-01-181-5695
NSN 6645-01-100-3296
NSN 5985-01-510-7943
NSN 5985-01-183-8218
NSN 5950-01-192-1560