National Stock Number
5977-01-389-1976
National Stock Number (NSN) 5977-01-389-1976, or NIIN 013891976, (holder,electrical contact brush) was assigned April 19, 1994 in the Federal Logistics Information System (FLIS). NIIN 013891976 was cancelled on December 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2540013892200. 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, there are no suppliers that are 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.
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 5977013891976 does not contain precious metals.
This information was last updated on Jul 01, 2025.