Steel mesh 1/4 x 1/4 in screen
A device used to prevent passage of flame through a ventilating duct while air is flowing.
NSN 5985-01-391-9329
NSN 5998-00-252-3708
NSN 5998-01-477-9905
NSN 5945-00-173-4980
NSN 5990-00-967-6267
NSN 6105-01-030-2739
NSN 6610-01-565-0458
NSN 5950-01-508-9910
NSN 5905-00-813-2713
NSN 6240-00-519-3399
NSN 6220-00-374-2763
NSN 6110-00-338-9015