National Stock Number
5977-01-122-6433
National Stock Number (NSN) 5977-01-122-6433, or NIIN 011226433, (holder,electrical contact brush) has an unknown assigned date. NIIN 011226433 was cancelled on February 2, 1991, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2920992142470. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5977011226433 does not contain precious metals.
This information was last updated on Jul 01, 2025.