National Stock Number (NSN) 5975-00-442-3500, or NIIN 004423500, (entrance cap,electrical) was assigned May 23, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 8 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 3 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 05, 2014. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A614VF698. The total value of the awarded contracts has been US$ 1,650.48.
This NSN is unique to one weapons system.
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 21, 2013, 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) 06931. [AN ITEM PRIMARILY DESIGNED TO PROVIDE FOR THE ENTRANCE OF ELECTRICAL WIRES INTO A BUILDING, STRUCTURE, OR INCLOSURE AND TO FACILITATE THEIR CONNECTION TO FEEDERS OR SERVICE CONDUCTORS. IT CONSISTS OF AN INSULATING BLOCK AND A METALLIC HOUSING DESIGNED TO HOLD THE INSULATING BLOCK AND TO FIT AN ELECTRICAL CONDUIT, CONDUIT FITTING, OR CABLE OF A SPECIFIED SIZE. THIS ITEM IS PRIMARILY INTENDED FOR USE IN EXPOSED, WET, OR DAMP LOCATIONS AND IS INSTALLED SO AS TO PRECLUDE THE ENTRANCE OF RAIN OR DEBRIS INTO THE CONDUIT. SEE ALSO CAP, ELECTRICAL.]. 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 5975004423500 contains an unknown precious metal.
This NSN is associated to Schedule B 8547900040: electrical conduit lined with insulation, joints, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335932: noncurrent-carrying wiring device manufacturing.
This information was last updated on Aug 01, 2025.