National Stock Number
8415-01-330-6315
National Stock Number (NSN) 8415-01-330-6315, or NIIN 013306315, (visor lock,helmet) was assigned December 6, 1990 in the Federal Logistics Information System (FLIS). NIIN 013306315 was cancelled on June 2, 1997, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5355013727857. 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) 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 information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 8415013306315 does not contain precious metals.
This information was last updated on Aug 01, 2025.