National Stock Number (NSN) 2590-01-193-1817, or NIIN 011931817, (boom extension,middle,crane) was assigned October 31, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 07, 2014. There have been 5 contracts issued for this part number, with 5 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: SPE7L014V6099, SPM7L314M1198, SPM7L011M3581, SPM7L010M5820, SPM7L010M4148. The total value of the awarded contracts has been US$ 10,212.16.
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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06098. [A LATTICE-TYPE METAL STRUCTURE WITH FACILITIES DESIGNED FOR ATTACHING TO THE CENTER OF A CRANE BOOM TO INCREASE ITS LENGTH.]. 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 2590011931817 does not contain precious metals.
This NSN is associated to Schedule B 8431491010: parts of overhead traveling cranes on fixed support, transporter cranes, gantry cranes, bridge cranes and portal or pedestal jib cranes. The Schedule B End Use is listed as materials handling equipment. NAICS classification category 333120: construction machinery manufacturing.
This information was last updated on Aug 01, 2025.