National Stock Number
4240-01-623-9738
National Stock Number (NSN) 4240-01-623-9738, or NIIN 016239738, (entrance,protective,pressurized) was assigned December 10, 2013 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 Dec 11, 2013, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 61762. [A ONE-OR TWO-COMPARTMENT STRUCTURE WHICH FUNCTIONS AS AN AIRLOCK, THE PURPOSE OF WHICH IS TO PERMIT PERSONNEL TO ENTER OR LEAVE A PRESSURIZED PROTECTIVE SHELTER WITH A MINIMUM LOSS OF PRESSURE DURING A CHEMICAL, BIOLOGICAL OR RADIOLOGICAL ATTACK. ONE END OF THE STRUCTURE, WHEN INSTALLED, FORMS AN AIRTIGHT JOINT AT THE ENTRANCE TO THE PRESSURIZED SHELTER. THE OTHER END OF THE STRUCTURE HAS A QUICK ACTING CLOSURE MECHANISM WHICH FACILITATES RAPID ENTRANCE OR EGRESS. THE ITEM IS OF KNOCKDOWN CONSTRUCTION WITH AN IMPERMEABLE FABRIC COVERING, SUPPORTED BY METAL CHANNELS AND TUBING OR HOISTED AND HELD IN PLACE BY A BLOCK AND TACKLE ARRANGEMENT. IT MAY BE USED AS A DISROBING CHAMBER FOR PERSONNEL TO REMOVE CONTAMINATED CLOTHING. IT IS STORED AND TRANSPORTED IN THE TRAILER, WHEN NOT IN USE.]. 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 4240016239738 does not contain precious metals.
This information was last updated on Jul 01, 2025.