3item is 8.000 inches in depth , and when assembled has light fixture kit assembled above the enclosure. Light kit is assigned nsn 6210-00-635-8817; bell is assigned nsn of 6350-00-295-2682; alarm box is assigned nsn of 6350-01-525-1331.
NSN 6150-00-226-3545
NSN 5960-00-204-7506
NSN 5855-00-361-0167
NSN 6135-01-154-3526
NSN 5915-01-513-5194
NSN 4140-00-723-6418
NSN 2925-00-143-3198
NSN 6320-01-343-2482
NSN 7035-01-449-7605
NSN 6110-01-328-2217
NSN 5985-00-275-2830
NSN 5999-01-025-0481