National Stock Number
4240-00-831-8040
National Stock Number (NSN) 4240-00-831-8040, or NIIN 008318040, (shelter,inflatable,chemical-biological shelter system) was assigned April 18, 1972 in the Federal Logistics Information System (FLIS). NIIN 008318040 was cancelled on December 15, 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.
This NSN is assigned to Item Name Code (INC) 31453. [AN IMPERMEABLE FABRIC DOUBLE-WALLED, AIR-INFLATABLE, SELF-SUPPORTING STRUCTURE OF A PREDETERMINED SHAPE. ONE END OF THE STRUCTURE, WHEN INSTALLED, FORMS AN AIRTIGHT JOINT AT THE SHELTER TO THE PRESSURIZED ENTRANCE. THE OTHER END OF THE STRUCTURE FACILITATES EXPANDING THE SYSTEM. THE SHELTER IS STORED AND TRANSPORTED IN THE TRAILER WHEN NOT IN USE. IT IS A COMPONENT OF THE SHELTER SYSTEM, COLLECTIVE PROTECTION, CHEMICAL-BIOLOGICAL, SPECIFICALLY DESIGNED TO HOUSE 10 MEN.]. 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 4240008318040 does not contain precious metals.
This information was last updated on Jul 01, 2025.