Brass backup flanges w/6 holes 0.540 in.Dia, 4.500 in.Bcd on each end
An item made from rubber in various shapes, flanged on each end, and having a centrally located hole of the same size as the piping with which used. It is designed to be inserted between sections of pipe or pipe and casing of fans, pumps, or the like, to absorb shock, dampen vibration and to facilitate removal of section(s) for repair or other purposes.
NSN 6320-00-646-3311
NSN 4140-01-530-0373
NSN 5950-01-367-6915
NSN 6105-01-081-2041
NSN 5950-00-339-2816
NSN 6620-01-281-6386
NSN 5905-00-578-3687
NSN 6130-01-174-9165
NSN 6135-01-361-1776
NSN 6135-01-354-5535
NSN 5945-00-343-6631
NSN 5975-01-412-1634