National Stock Number
5977-00-458-3027
National Stock Number (NSN) 5977-00-458-3027, or NIIN 004583027, (holder,electrical contact brush) was assigned April 30, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 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 somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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) 02937. [A HOLDER DESIGNED TO ACCOMMODATE AND POSITION A BRUSH AGAINST A COMMUTATOR OR COLLECTOR RING. ALSO INCLUDES ITEMS CONSISTING OF TWO OR MORE BRUSH HOLDERS (BOXES) CAST AS AN INSEPARABLE UNIT. MAY INCLUDE FACILITIES FOR APPLYING PRESSURE TO THE BRUSH(ES) AND MAY ALSO BE FURNISHED WITH THE BRUSH(ES). SEE ALSO HOLDER ASSEMBLY, ELECTRICAL CONTACT BRUSH.]. 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 5977004583027 contains silver.
This NSN is associated to Schedule B 8545900000: electrical carbon or graphite articles,nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335991: carbon and graphite product manufacturing.
This information was last updated on Aug 01, 2025.