National Stock Number
8475-01-173-5224
National Stock Number (NSN) 8475-01-173-5224, or NIIN 011735224, (helmet,flyer''s) was assigned March 7, 1984 in the Federal Logistics Information System (FLIS). NIIN 011735224 was cancelled on December 16, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 one supplier. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00903. [A HEAD COVERING CONSISTING OF AN OUTER SHELL AND A LINING DESIGNED TO PROVIDE WARMTH FOR FLYING PERSONNEL. IT MAY BE BALLASTIC AND/OR CRASH PROTECTIVE AND MAY BE EQUIPPED WITH AN ELECTRICAL HEADSET AND MICROPHONE. IT MAY PROVIDE CHEMICAL DEFENSE AND NUCLEAR WEAPON FLASH PROTECTION.]. 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 8475011735224 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.