National Stock Number
5970-00-144-1591
National Stock Number (NSN) 5970-00-144-1591, or NIIN 001441591, (insulator,bowl) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5970001174972.
There are 8 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 6 suppliers are listed as Active suppliers 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, with the most recent procurement date of Mar 06, 2012. 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: SPM4A612V4522, SPM4A411V2674, SPM4A610V1017. The total value of the awarded contracts has been US$ 8,325.63.
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 Aug 15, 2008, 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) 18300. [AN INSULATOR USED FOR WIRE ENTERING OR FEEDTHRU PURPOSES. MAY INCLUDE MOUNTING AND/OR CONDUCTING HARDWARE. INCLUDES REPLACEMENT BOWLS FOR FEEDTHRU INSULATORS. CHARACTERIZED BY ONE OR MORE BOWL OR BELL SHAPED INSULATOR SURFACES.]. 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 5970001441591 does not contain precious metals.
This NSN is associated to Schedule B 8546900000: electrical insulators, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 326199: all other plastics product manufacturing.
This information was last updated on Aug 01, 2025.