National Stock Number (NSN) 5975-01-178-0571, or NIIN 011780571, (interconnecting box) was assigned May 1, 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 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 09, 2018. There have been 14 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A618C0196, SPE4A618C0196, SPE4A618C0196, SPE4A618C0196, SPE4A618C0196. The total value of the awarded contracts has been US$ 1,395,565.92.
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 Feb 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 is a Flight Safety Critical Aircraft Part (FSCAP). 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 5975011780571 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.