National Stock Number (NSN) 4730-00-834-9560, or NIIN 008349560, (reducer,boss) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 11 stock numbers. Five of the National Stock Numbers that it replaces are: 4730009254752, 4730010350591, 4730003290505, 4730007203966, 4730009171982.
There are 29 manufacturer part numbers associated with this NSN. 14 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 34 suppliers. Today, 28 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 18 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 19 contracts issued for this part number, with 24 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A224F2515, SPE4A224F2512, SPE4A224F2511, SPE4A224F2513, SPE4A224F2514. The total value of the awarded contracts has been US$ 82,969.84.
This NSN is very common among different weapons systems, belonging to 131 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 11, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 23541. [A STRAIGHT FITTING HAVING A BOSS CONNECTION OF A DIFFERENT SIZE AT EACH END. BOTH CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. EXCLUDES:BUSHING (AS MODIFIED).]. 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 4730008349560 does not contain precious metals.
This NSN is associated to Schedule B 7606920090: other nonrectangular plates, sheets and discs of aluminum alloys 6.3mm or less in thickness. The Schedule B End Use is listed as aluminum and alumina. NAICS classification category 331315: aluminum sheet, plate, and foil manufacturing.
This information was last updated on Jun 01, 2025.