National Stock Number
4730-01-556-5959
National Stock Number (NSN) 4730-01-556-5959, or NIIN 015565959, (elbow assembly,pipe) was assigned October 3, 2007 in the Federal Logistics Information System (FLIS). NIIN 015565959 was cancelled on May 2, 2009, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730015566210. 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, 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).]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730015565959 does not contain precious metals.
This information was last updated on Jul 01, 2025.