National Stock Number (NSN) 5905-00-121-5921, or NIIN 001215921, (resistor,fixed,film) was assigned January 4, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 7 stock numbers. Five of the National Stock Numbers that it replaces are: 5905001168264, 5905000345578, 5905007014753, 5905000088153, 5905000053142.
There are 9 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers 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 not been procured by the US Government in over a year. There have been 3 contracts issued for this part number, with 3 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: SPE7M223P3934, SPE7M123P2378, SPE7M121P7754. The total value of the awarded contracts has been US$ 14,245.36.
This NSN is fairly common among different weapons systems, belonging to 16 different platforms.
There has been very little 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 Dec 20, 2006, 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) 05311. [A RESISTOR WHOSE OHMIC VALUE CANNOT BE ADJUSTED OR VARIED. THE RESISTANCE ELEMENT CONSISTS OF EITHER A THIN LAYER OF CONDUCTIVE MATERIAL, CONTAINING EITHER BINDERS OR INSULATING MATERIALS, DEPOSITED ON AN INSULATED FORM; OR AN ALLOY OF METAL AND CERAMIC MATERIALS, USUALLY FUSED TO AN INSULATED FORM. OPPOSITION TO THE FLOW OF CURRENT IS AN INHERENT PROPERTY OF THE MATERIALS USED AND IS MANIFEST BY THE HEAT DISSIPATION IN THE RESISTOR. SEE ALSO ATTENUATOR, FIXED AND RESISTOR, FIXED, COMPOSITION. EXCLUDES:CARBON COMPOSITION TYPE RESISTORS.]. 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 5905001215921 does not contain precious metals.
This NSN is associated to Schedule B 8533100042: fixed carbon resistors, composition or film type, designed for surface mounting, having two terminals. The Schedule B End Use is listed as electric apparatus.
This information was last updated on Jul 01, 2025.