National Stock Number
8475-01-378-2859
National Stock Number (NSN) 8475-01-378-2859, or NIIN 013782859, (visor lock,helmet) was assigned August 12, 1993 in the Federal Logistics Information System (FLIS). NIIN 013782859 was cancelled on August 24, 2011, 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 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.
This NSN is assigned to Item Name Code (INC) 28521. [A KNOB HAVING A SCREW OR SPRING TYPE STEM WHICH IS INSERTED THROUGH A SLOT OR CHANNEL IN THE CENTER FRONT OF A HELMET WHERE IT IS ATTACHED TO AND CONTROLS THE MOVEMENT OF THE VISOR FROM A POSITION INSIDE THE HELMET TO A POSITION COVERING THE EYES. IT IS LOCKED IN POSITION BY TURNING THE SCREW OR BY RELEASING PRESSURE ON THE SPRING AS APPLICABLE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 8475013782859 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.