National Stock Number
8415-00-634-5278
National Stock Number (NSN) 8415-00-634-5278, or NIIN 006345278, (liner,safety helmet) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 30497. [AN ITEM USUALLY MADE OF CLOTH, WITH NO METAL PARTS, DESIGNED TO BE WORN UNDER A HELMET, SAFETY FOR PROTETION AGAINST COLD AND INCLEMENT WEATHER. IT IS DESIGNED TO PROTECT THE SKULL, EARS, AND/OR NECK. IT IS ATTACHED TO THE HELMET HEADBAND OR SHELL, AND IS READILY REMOVED OR REATTACHED.]. 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 8415006345278 does not contain precious metals.
This NSN is associated to Schedule B 9803100000: military wearing apparel of all types and materials, including footwear and headwear. The Schedule B End Use is listed as military apparel and footwear. NAICS classification category 314999: all other miscellaneous textile product mills.
This information was last updated on Jul 01, 2025.