National Stock Number
4730-00-618-8643
National Stock Number (NSN) 4730-00-618-8643, or NIIN 006188643, (bolt,fluid passage) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 18683. [A BOLTLIKE ITEM HAVING A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE WHICH MAY EXTEND A PART OR THE FULL LENGTH OF THE ITEM. IT HAS A HOLE(S) PERPENDICULAR TO THE AXIS, JOINING OR PASSING THROUGH THE CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE. THE ITEM IS DESIGNED TO DISTRIBUTE FLUID, AIR, OR LUBRICANT THROUGH ITS BODY TO A MATING ITEM, SUCH AS A CONNECTOR, MULTIPLE, FLUID PRESSURE LINE, BEARING(S), BUSHING(S), OR THE LIKE. THE ITEM MUST BE CAPABLE OF ATTACHING TO A BLOCK FITTING AND/OR A TUBING LINE OR BE DESIGNED TO ACCOMMODATE A FITTING, LUBRICATION. EXCLUDES:BOLT, INTERNALLY RELIEVED BODY; BLEEDER VALVE, HYDRAULIC SYSTEM; AND BUSHING, MACHINE THREAD. SEE ALSO PIN, VEHICULAR LEAF SPRING SHACKLE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730006188643 contains an unknown precious metal.
This NSN is associated to Schedule B 7307290000: stainless steel tube or pipe fittings nesoi. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.