National Stock Number (NSN) 4730-01-013-9963, or NIIN 010139963, (seal nut,pipe) was assigned December 12, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730012595463.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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. 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 28 contracts issued for this part number, with 28 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M124F4029, SPE7M124F2263, SPE7M124F2026, SPE7M224P0575, SPE7M123P8760. The total value of the awarded contracts has been US$ 621,006.05.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 149,173. 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) 23542. [A HEXAGONAL NUT CONTAINING INTERNAL TAPERED PIPE THREADS. IT HAS RAISED UNDETACHABLE SEALING MEMBER ON THE FACE OF THE BEARING SURFACE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF SEALING THE CONNECTION AT THE BOSS OR MATING SURFACE. IT DOES NOT PROVIDE ANY METHOD FOR LOCKING AT THE CONNECTION. SEE LOCKNUT, PIPE.]. 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 4730010139963 does not contain precious metals.
This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Jul 01, 2025.