Lv2 is for use only as an emergency device to assist crewmember or passenger in making emergency egress from a submerged aircraft
NSN 6610-01-105-9520
NSN 5895-01-430-7181
NSN 6610-01-483-1317
NSN 5975-00-269-1091
NSN 6240-01-262-0149
NSN 5998-00-554-4483
NSN 6135-01-193-8154
NSN 5990-01-473-4314
NSN 5999-01-510-9408
NSN 6130-01-620-6558
NSN 6320-01-457-2805
NSN 5920-01-259-8616