National Stock Number (NSN) 5975-00-903-9971, or NIIN 009039971, (entrance elbow,electrical) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, one supplier is listed as an Active supplier 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 Dec 09, 2015. 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: SPE4A616M3782, SPM4A410V0520, SPM4A609V4943, SPM4A609V4943. The total value of the awarded contracts has been US$ 1,507.16.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Mar 12, 2009, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06939. [AN ITEM OF METALLIC COMPOSITION CAST IN THE FORM OF AN ELBOW, WHICH IS PRIMARILY INTENDED TO PROVIDE FOR THE ANGULAR ENTRANCE OF WIRES INTO A BUILDING, STRUCTURE, OR ENCLOSURE. THIS ITEM, SPECIFICALLY DESIGNED FOR INSTALLATION IN EXPOSED LOCATIONS, HAS TWO HUBS OF A SPECIFIED SIZE TO FIT THE SERVICE ENTRANCE CONDUIT AND MAY HAVE A THIRD HUB FOR A DRIVEN GROUND CONNECTION. IT HAS A COVER WHICH MAKES IT TAMPER-PROOF AND WEATHER-RESISTANT. IT MAY INCLUDE FACILITIES FOR PULLING ELECTRICAL CONDUCTORS BUT DOES NOT HAVE FACILITIES FOR MOUNTING WIRING DEVICES.]. 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 5975009039971 contains an unknown precious metal.
This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.