National Stock Number
4240-00-203-7764
National Stock Number (NSN) 4240-00-203-7764, or NIIN 002037764, (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 4 stock numbers: 4240010081009, 4240010141965, 4240000560011, 4240009288417.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 4240002037764 contains an unknown precious metal.
This NSN is associated to Schedule B 9002900000: prisms, mirrors and other optical element, mounted and parts and accessories, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Apr 01, 2025.