National Stock Number
4730-00-640-5911
National Stock Number (NSN) 4730-00-640-5911, or NIIN 006405911, (nipple,tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 03783. [A STRAIGHT, ONE-PIECE FITTING USED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE OR TUBE FITTING. IT MAY HAVE ANY TYPE EXTERNALLY THREADED TUBE CONNECTIONS OF THE SAME SIZE ON BOTH ENDS AND IS USUALLY SHAPED EXTERNALLY AT THE CENTER TO ACCOMMODATE A WRENCH. IT MAY INCLUDE NUTS, SLEEVES, AND/OR GROMMETS.]. 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 4730006405911 contains an unknown precious metal.
This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.