National Stock Number
4240-01-644-2983
National Stock Number (NSN) 4240-01-644-2983, or NIIN 016442983, (helmet,welder's) was assigned April 29, 2015 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 2 suppliers. 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) 11102. [A LOOSE-FITTING, SINGLE-APERTURE MASK SUPPORTED ON THE HEAD BY A HEADGEAR OR HEADBAND. IT IS DESIGNED TO PROTECT THE WEARER'S EYES, EARS, NECK, AND HEAD DURING WELDING OPERATIONS. IT MAY BE FURNISHED WITHOUT FILTER GLASS AND COVER GLASS. EXCLUDES:FACESHIELD, INDUSTRIAL.]. 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 4240016442983 does not contain precious metals.
This NSN is associated to Schedule B 6506100090: safety headgear, whether or not lined or trimmed, n.e.s.o.i.. The Schedule B End Use is listed as apparel,household goods-nontextile. NAICS classification category 339113: surgical appliance and supplies manufacturing.
This information was last updated on Aug 01, 2025.