Houses blower for the m-45 chemical-biological protective mask
NSN 6135-01-238-2878
NSN 6620-01-484-6904
NSN 6320-01-627-8295
NSN 5915-01-415-4649
NSN 5920-00-931-4297
NSN 5935-01-407-1051
NSN 5925-00-477-9644
NSN 5990-01-411-5930
NSN 6220-01-240-1108
NSN 5910-01-151-0157
NSN 5935-01-429-2752
NSN 5965-01-237-3342