At ASAP NSN Parts, owned and operated by ASAP Semiconductor, we make it as simple as possible for you to find different part types from the manufacturer Portsmouth Naval Shipyard like O-Ring, Packing Preformed, Bearing Sleeve, Adapter Straight Fl, Nut Valve Disc. Quote for part numbers including 59-285PCT4, 1758-381PC169, 1766-381PC16, 25951PCX3, SSN605-520-2013499 PIECE 17 with NSN 5331-00-226-3445, 5330-00-599-0476, 3120-01-233-2990, 4730-00-371-8871, 5310-00-371-8953 which are manufactured by Portsmouth Naval Shipyard. 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 for your desired Portsmouth Naval Shipyard NSN part on your next purchase.