National Stock Number
8475-01-600-1511
National Stock Number (NSN) 8475-01-600-1511, or NIIN 016001511, (visor lock,helmet) was assigned November 10, 2011 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 11, 2011, this NSN's acquisition method was noted as: Not established. Not established.
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.]. 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 8475016001511 does not contain precious metals.
This NSN is associated to Schedule B 9803100000: military wearing apparel of all types and materials, including footwear and headwear. The Schedule B End Use is listed as military apparel and footwear. NAICS classification category 314999: all other miscellaneous textile product mills.
This information was last updated on Aug 01, 2025.