National Stock Number
4730-01-437-7504
National Stock Number (NSN) 4730-01-437-7504, or NIIN 014377504, (reducer body,tube) was assigned October 23, 1996 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61840. [AN INCOMPLETE FITTING WHICH UPON INSTALLATION IS DESIGNED TO JOIN TOGETHER IN A STRAIGHT LINE TWO TUBING LINES AND/OR FITTINGS OF DIFFERENT SIZES. THE ITEM CONSISTS OF THE BODY WHICH HAS A COMPLETE END CONNECTION ON ONE END; THE OTHER END IS DESIGNED TO MATE WITH A TUBE OR TUBE FITTING BUT REQUIRES AN ADDITIONAL NUT AND/OR SLEEVE TO MAKE A COMPLETE END CONNECTION.]. 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 4730014377504 does not contain precious metals.
This information was last updated on Aug 01, 2025.