National Stock Number
4240-00-368-6144
National Stock Number (NSN) 4240-00-368-6144, or NIIN 003686144, (regulator,air pressure,protectiv) 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 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 20597. [AN ITEM CONSISTING OF A MANUALLY OPERATED SLIDING PANEL OR HINGED DOOR DESIGNED SPECIFICALLY TO REGULATE THE PRESSURE BETWEEN THE AIR LOCKS OF PROTECTIVE SHELTERS.]. 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 4240003686144 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.