No other part numbers with same form, fit, and function found.
A device used to prevent passage of flame through a ventilating duct while air is flowing.
NSN 7035-01-199-6915
NSN 5935-01-463-3480
NSN 5975-01-627-6534
NSN 6240-00-168-1474
NSN 5975-01-294-1160
NSN 6145-01-160-2279
NSN 6110-01-317-4830
NSN 6610-01-168-6943
NSN 6135-01-286-9563
NSN 5835-00-958-6231
NSN 5835-01-116-2369
NSN 5999-00-170-7128