National Stock Number
4730-01-340-7599
National Stock Number (NSN) 4730-01-340-7599, or NIIN 013407599, (elbow assembly,pipe) was assigned June 19, 1991 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 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 18261. [AN ITEM CONSISTING OF A LONG RADIUS PIPE ELBOW WITH A PIPE FLANGE WELDED TO ONE END. THE OTHER END HAS A LAPPED, STUD END NIPPLE BUTT-WELDED THERETO ON WHICH IS MOUNTED A LOOSE, SLIP-ON PIPE FLANGE LAPPED TO MATE WITH A LAPPED NIPPLE. THE LOOSE FLANGE FACILITATES THE ALIGNMENT OF THE MAKE-UP BOLT HOLES. IT MAY HAVE SIDE AND/OR HEEL INLET(S).]. 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 4730013407599 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 Jul 01, 2025.