National Stock Number
4240-00-540-2422
National Stock Number (NSN) 4240-00-540-2422, or NIIN 005402422, (lens,helmet,welder's) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4240011277886.
There are 11 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 somewhat common among different platforms, belonging to 4 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 735. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 25, 2007, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17317. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 4240005402422 contains an unknown precious metal.
This NSN is associated to Schedule B 7014005000: signalling glassware, not optically worked, nesoi (not optical elements and not lenses, filters or parts thereof). The Schedule B End Use is listed as other industrial supplies. NAICS classification category 327212: other pressed and blown glass and glassware manufacturing.
This information was last updated on Aug 01, 2025.