At ASAP NSN Parts, owned and operated by ASAP Semiconductor, we make it as simple as possible for you to find Nut Plain Hexagon, Washer Flat, Pin Grooved Headed, Stud Positive Lock, Holder Protector Bl top part numbers 38-030-271, 38003-505, 38004 505 3, 38004-505, 38004-509 with NSN 5310-12-189-6540, 5310-12-189-4844, 5310-12-125-3801, 5315-12-152-2484, 5325-01-326-4850 manufactured by 3M Quante Ag Telekommunikation (CAGE Code D2771). 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.