At ASAP NSN Parts, owned and operated by ASAP Semiconductor, we make it as simple as possible for you to find Circuit Card Assemb top part numbers 3C900B-FL-ST with NSN 5998-01-463-5402 manufactured by 3Com Corp. We know how hard it can be to find the parts you need. As such, we make sure that our vast inventory of more than 2 billion NSN parts is always stocked with parts, both new and obsolete. Just send us an RFQ to get started on your next purchase.