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 6145-01-576-9609
NSN 7035-00-800-0770
NSN 5910-01-440-2365
NSN 5990-01-181-9886
NSN 6135-00-877-1659
NSN 5950-00-137-6482
NSN 6645-01-150-2039
NSN 5925-01-630-2413
NSN 6145-01-128-5235
NSN 5855-00-586-6255
NSN 5910-01-023-1406
NSN 5855-01-149-4110