National Stock Number (NSN) 5975-00-952-0021, or NIIN 009520021, (box connector,electrical) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 02, 2011. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPM4A612V2133, SPM4A611V7021, SPM4A611V7021, SPM4A611MDF83, SPM4M108V4860. The total value of the awarded contracts has been US$ 4,013.73.
This NSN is very common among different weapons systems, belonging to 25 different platforms.
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 Jul 01, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 09663. [AN ITEM DESIGNED TO MECHANICALLY CONNECT IN A STRAIGHT LINE OR AN ANGLE ELECTRICAL CONDUIT, CONDUIT ASSEMBLIES, WIRE, WIREWAY, CABLE, OR CABLE ASSEMBLIES TO A POINT OF TERMINATION, SUCH AS A JUNCTION BOX, CONDUIT OUTLET, OR THE LIKE. THE TERMINATION END MUST HAVE AN EXTERNAL THREAD WITH A BOSS OR SHOULDER AND MAY BE FURNISHED WITH A LOCKNUT OR BONDNUT; OR, MUST HAVE INTERNAL THREAD WITH WHICH IS FURNISHED AN EXTERNALLY THREADED HUB WITH A WRENCHING FEATURE; OR BE OF A SNAP-IN TYPE THAT MAY BE INSTALLED FROM EITHER INSIDE OR OUTSIDE THE BOX AND SECURED WITH A CAPTIVE SCREW. IT IS NOT INTENDED TO JOIN CONDUIT TO CONDUIT. FOR ANGLE TYPE ITEMS HAVING A MALE THREAD WITHOUT A BOSS OR SHOULDER, SEE ELBOW, ELECTRICAL CONDUIT. DOES NOT INCLUDE FACILITIES TO MOUNT WIRING DEVICES. EXCLUDES:CHASE NIPPLE, CONDUIT.]. 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 5975009520021 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 Jul 01, 2025.