National Stock Number
4730-01-397-7898
National Stock Number (NSN) 4730-01-397-7898, or NIIN 013977898, (elbow,three way,drainage pipe) was assigned October 20, 1994 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 13179. [A FITTING HAVING ROUNDED ENDS WHERE IT JOINS TWO SECTIONS OF PIPE IN A STRAIGHT LINE TO DIRECT THE FLOW FROM THESE ENDS ACTING AS INLET(S) TO THE END AT RIGHT ANGLES. IT HAS AN INTERNAL SHOULDER(S) AT THE END(S) OF ITS INTERNALLY THREADED OR UNTHREADED PORTION, WHOSE INSIDE DIAMETER CONFORMS TO STANDARD WEIGHT WROUGHT IRON PIPE OR COPPER DRAINAGE, WASTE AND VENT (DWV) TUBE. WHEN CONNECTED, THE MATING PIPE AND/OR PIPE FITTING IS CLOSE TO THE SHOULDER TO ELIMINATE A POCKET AND PROVIDE A SMOOTH FLOW OF THE PIPE AND/OR PIPE FITTING CONTENTS. IT MAY HAVE SIDE AND/OR HEEL INLET(S). IT IS DESIGNED TO CONNECT TWO SECTIONS OF PIPE IN A STRAIGHT LINE TO A THIRD SECTION AT RIGHT ANGLES.]. 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 4730013977898 does not contain precious metals.
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.