National Stock Number (NSN) 5975-01-121-1211, or NIIN 011211211, (interconnecting box) was assigned October 31, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 11 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 Sep 20, 2019. There have been 2 contracts issued for this part number, with 2 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: SPE4A419V9070, SPE4A419V7364. The total value of the awarded contracts has been US$ 840.17.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
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 Apr 26, 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) 07849. [AN INCLOSURE WHICH INCLUDES MOUNTS AND PROTECTS SUCH ITEMS AS SWITCHES, CIRCUIT BREAKERS, JACKS, FUSEHOLDERS, CONNECTORS, TERMINALS AND/OR TERMINAL BOARDS, RESISTORS, CAPACITORS, TRANSFORMERS, AND THE LIKE. IT IS PRIMARILY DESIGNED TO INTERCONNECT TWO OR MORE ELECTRICAL AND/OR ELECTRONIC ITEMS, EXCEPT PRIMARY POWER SOURCE(S) SUCH AS GENERATOR(S) AND BATTERY(IES). IT MAY INCLUDE A COVER OR DOOR. FOR INCLOSURES WHICH CONNECT ONE OR MORE PRIMARY POWER SOURCE(S) TO ONE OR MORE ELECTRICAL AND/OR ELECTRONIC ITEM(S), SEE DISTRIBUTION BOX. SEE ALSO CIRCUIT BREAKER BOX; TERMINAL BOX AND INTERCONNECTING CABINET.]. 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 5975011211211 does not contain precious metals.
This NSN is associated to Schedule B 8543909000: electrical machines and apparatus parts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Aug 01, 2025.