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 5996-00-363-9666
NSN 6620-00-891-4658
NSN 5930-01-378-2739
NSN 5930-00-393-2511
NSN 5920-01-515-5712
NSN 5835-00-222-3956
NSN 6320-00-937-5625
NSN 5835-00-864-4481
NSN 5920-01-179-9739
NSN 5920-01-087-6073
NSN 5998-01-311-6851
NSN 5975-01-345-3424