National Stock Number
5920-01-017-0371
National Stock Number (NSN) 5920-01-017-0371, or NIIN 010170371, (block,telephone protector) was assigned February 28, 1976 in the Federal Logistics Information System (FLIS). NIIN 010170371 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One 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.
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 5920010170371 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.