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 6105-00-025-1797
NSN 5990-00-532-2641
NSN 5975-00-079-0022
NSN 6110-00-104-8009
NSN 6320-01-192-0332
NSN 6220-00-013-9523
NSN 6220-01-398-5998
NSN 5975-01-449-2196
NSN 5930-01-150-1028
NSN 5855-00-361-0167
NSN 5855-01-152-5849
NSN 6610-01-493-2401