National Stock Number
4730-00-720-1557
National Stock Number (NSN) 4730-00-720-1557, or NIIN 007201557, (union,tube) 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 6 manufacturer part numbers associated with this NSN. 4 of those 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. 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 5 years, with the most recent procurement date of Feb 11, 2020. There have been 5 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M320P2359, SPE7M019V4187, SPM7MX12D0023, SPM7MX12D0023, SPM7MX12D0023. The total value of the awarded contracts has been US$ 15,616.85.
This NSN is very common among different weapons systems, belonging to 25 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 05, 2016, 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) 03788. [A STRAIGHT TUBE FITTING CAPABLE OF BEING TAKEN APART AND REASSEMBLED. IT PERMITS DISCONNECTION AND CONNECTION OF TUBING OR TUBE FITTINGS WITHOUT DISTURBING THE END CONNECTIONS OR THE REST OF THE LINE.]. 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 4730007201557 contains an unknown precious metal.
This NSN is associated to Schedule B 7307994000: other fittings nesoi of alloy steel not stainless. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on May 01, 2025.