National Stock Number
5975-01-004-1988
National Stock Number (NSN) 5975-01-004-1988, or NIIN 010041988, (entrance cap,electrical) was assigned May 29, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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. 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.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 5975010041988 does not contain precious metals.
This information was last updated on Aug 01, 2025.