National Stock Number
4240-00-056-0004
National Stock Number (NSN) 4240-00-056-0004, or NIIN 000560004, (helmet,welder''s) has an unknown assigned date. NIIN 000560004 was cancelled on February 2, 1991, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4240009672763.
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) 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.]. 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 4240000560004 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.