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 5905-01-188-4746
NSN 5960-01-493-3948
NSN 5996-00-205-2933
NSN 5996-01-030-9694
NSN 6645-01-167-5814
NSN 6610-00-398-9673
NSN 6610-01-142-8958
NSN 6685-01-426-3045
NSN 6135-01-350-2932
NSN 6610-01-409-1781
NSN 6320-01-072-2073
NSN 6650-01-657-5108