National Stock Number
4730-01-599-0291
National Stock Number (NSN) 4730-01-599-0291, or NIIN 015990291, (cap,tube) was assigned September 9, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated 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, there are no suppliers that 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 33 contracts issued for this part number, with 22 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A225F4185, SPE4A224F7399, SPE4A224F7398, SPE4A224F7398, SPE4A224F7292. The total value of the awarded contracts has been US$ 129,091.38.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
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 Jan 26, 2018, 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) 06074. [A TUBE FITTING PRIMARILY DESIGNED FOR PERMANENT INSTALLATION DURING TUBING SYSTEM OPERATION TO FIT OVER OR BUTT AGAINST A TUBE OR FITTING FOR SEALING. SEE ALSO CAP, PROTECTIVE, DUST AND MOISTURE SEAL AND CAP-PLUG, PROTECTIVE, DUST AND MOISTURE SEAL.]. 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 4730015990291 does not contain precious metals.
This information was last updated on Aug 01, 2025.