National Stock Number
4730-01-697-3312
National Stock Number (NSN) 4730-01-697-3312, or NIIN 016973312, (elbow assembly,pipe) was assigned September 14, 2021 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, 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 4730016973312 does not contain precious metals.
This information was last updated on Aug 01, 2025.