National Stock Number
5920-00-160-4894
National Stock Number (NSN) 5920-00-160-4894, or NIIN 001604894, (block,telephone protector) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5920009590109.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 00311. [AN ITEM DESIGNED TO BE USED WITH OTHER SIMILAR ITEMS IN AN ELECTRICAL CIRCUIT TO FORM AN OPEN-SPACE CUT-OUT FOR PROTECTION AGAINST HIGH POTENTIALS, SUCH AS LIGHTNING AND/OR ABNORMAL ELECTRIC CURRENTS. IT IS A MAINTENANCE PART FOR A PROTECTOR, TELEPHONE.]. 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 5920001604894 contains an unknown precious metal.
This NSN is associated to Schedule B 8535400000: lightning arrestors, voltage limiters and surge suppressors, for voltage exceeding 1000 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 334417: electronic connector manufacturing.
This information was last updated on Aug 01, 2025.