National Stock Number
4730-01-653-6199
National Stock Number (NSN) 4730-01-653-6199, or NIIN 016536199, (elbow assembly,pipe) was assigned March 30, 2016 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, 2 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 23, 2016, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 4730016536199 does not contain precious metals.
This information was last updated on Aug 01, 2025.