National Stock Number
4730-00-998-7372
National Stock Number (NSN) 4730-00-998-7372, or NIIN 009987372, (seal,conical,flared tube fitting) was assigned November 29, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5330012570347, 5330012092996.
There are 13 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 10 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: SPE7M423P3176, SPE7M423P1524, SPE7M319V4392, SPE7M319V4392, SPE7M317P4368. The total value of the awarded contracts has been US$ 134,618.87.
This NSN is very common among different weapons systems, belonging to 53 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 Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 32837. [A CYLINDRICAL SOFT METALLIC CRUSH ITEM USED TO SEAL HIGH PRESSURE FLARED TUBE CONNECTIONS. IT IS DESIGNED TO BE INSERTED BETWEEN THE CONICAL SURFACE OF A FLARED TUBE FITTING AND THE INNER SURFACE OF THE FLARED END OF THE CONNECTING TUBE.]. 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 4730009987372 does not contain precious metals.
This information was last updated on Jul 01, 2025.