National Stock Number
5977-01-343-4079
National Stock Number (NSN) 5977-01-343-4079, or NIIN 013434079, (ring,electrical contact brush holder) was assigned August 13, 1991 in the Federal Logistics Information System (FLIS). NIIN 013434079 was cancelled on April 2, 2016, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5977006157678. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
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 13, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 26006. [AN ITEM MADE OF METALLIC OR INSULATING MATERIAL TO FORM A RIGID LOOP WHOSE AXIAL LENGTH DOES NOT EXCEED 25 PERCENT OF ITS OUTSIDE DIMENSIONS. IT PERFORMS THE FUNCTION OF RETAINING AND POSITIONING ONE OR MORE HOLDER, ELECTRICAL CONTACT BRUSH. THE ITEM DOES NOT INCLUDE THE BRUSH HOLDER(S).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5977013434079 does not contain precious metals.
This information was last updated on Aug 01, 2025.