National Stock Number (NSN) 4730-00-237-8171, or NIIN 002378171, (spool,breakable,fueling at sea) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 8 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 32 contracts issued for this part number, with 32 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: SPE7M125F2228, SPE7M125F0662, SPE7M424F1004, SPE7M424F0786, SPE7M424F0495. The total value of the awarded contracts has been US$ 419,526.02.
This NSN is very common among different weapons systems, belonging to 27 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 Nov 22, 2012, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 03354. [A CAST IRON FLANGED SPOOL, PLACED IN A FUELING HOSE LINE, HAVING BOLT SLOTS FOR THE EASY DETACHING OF BOLTS, AND A MACHINED GROOVE AROUND CENTER OF SPOOL TO PERMIT EASY BREAKING.]. 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 4730002378171 contains an unknown precious metal.
This NSN is associated to Schedule B 5909000000: textile hosepiping and similar textile tubing, with or without lining, armor or accessories of other materials. The Schedule B End Use is listed as finished textile supplies.
This information was last updated on Aug 01, 2025.