National Stock Number
6240-00-143-6558
National Stock Number (NSN) 6240-00-143-6558, or NIIN 001436558, (lamp,incandescent) was assigned August 9, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 16 stock numbers. Five of the National Stock Numbers that it replaces are: 6240001776410, 6240010825405, 6240011474339, 6240011525967, 6240005493560.
There are 93 manufacturer part numbers associated with this NSN. 61 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 87 suppliers. Today, 61 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 20 suppliers are deemed design controlled or valid supply parts. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 37 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 39 contracts issued for this part number, with 40 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 16 different suppliers. The last contract numbers awarded were: SPE7M225V0666, SPE7M225V0666, SPE7M224V2909, SPE7M224P1225, SPE7M224P1225. The total value of the awarded contracts has been US$ 2,110,938.03.
This NSN is very common among different weapons systems, belonging to 204 different platforms.
This national stock number is in high demand. Globally, demand for this NSN has originated from 14 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 20, 2010, 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) 00727. [AN ITEM WHOSE PRINCIPAL PURPOSE IS TO PRODUCE LIGHT FROM A GLOWING FILAMENT(S). IT INCLUDES METAL BACKED AND REFLECTING TYPES, SEAL BEAM AND FLOOD TYPES. IT MAY INCLUDE AN INTEGRAL FILAMENT SHIELD TO CONTROL AND/OR MODIFY ITS ILLUMINATION PATTERN.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6240001436558 does not contain precious metals.
This information was last updated on Aug 01, 2025.