National Stock Number
4220-01-578-3797
National Stock Number (NSN) 4220-01-578-3797, or NIIN 015783797, (faceplate,diver's helmet,welding) was assigned October 5, 2009 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, 2 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 a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E521V2072. The total value of the awarded contracts has been US$ 118,739.20.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 12, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 11519. [A METAL FRAMED, SHADED GLASS, WELDING LENS THAT FITS OVER THE CLEAR FACEPLATE WHEN METAL GUARD IS REMOVED. USED TO FILTER OUT LIGHT RAYS WHILE PERFORMING UNDERWATER WELDING OR CUTTING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220015783797 does not contain precious metals.
This information was last updated on Aug 01, 2025.