National Stock Number
4220-01-559-5538
National Stock Number (NSN) 4220-01-559-5538, or NIIN 015595538, (helmet,deep-sea diver's) was assigned December 20, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, 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.
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) 03242. [A SPHERICAL METAL INCLOSURE FOR A DIVER'S HEAD, DESIGNED FOR USE WITH A DIVER'S DRESS. USUALLY FURNISHED WITH A BREASTPLATE OF LIKE MATERIAL. EXCLUDES:HELMET, DEEP-SEA DIVER'S, HELIUM-OXYGEN. SEE ALSO HELMET, SHALLOW WATER DIVER'S.]. 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 4220015595538 does not contain precious metals.
This NSN is associated to Schedule B 9020008000: other breathing appliances and gas masks and parts and accessories, nesoi. The Schedule B End Use is listed as toys, games, and sporting goods. NAICS classification category 339113: surgical appliance and supplies manufacturing.
This information was last updated on Jul 01, 2025.