Key shelf life material is the lithium battery
NSN 6145-00-269-4271
NSN 6105-01-332-4724
NSN 6320-01-195-5583
NSN 6685-01-384-8452
NSN 5855-01-408-3154
NSN 5965-00-871-8987
NSN 7035-01-295-1609
NSN 7035-00-541-8516
NSN 5910-01-156-9037
NSN 5950-01-513-0136
NSN 5855-00-688-9954
NSN 5975-00-071-6918