National Stock Number
4240-01-249-2571
National Stock Number (NSN) 4240-01-249-2571, or NIIN 012492571, (filter,respirator,air filtering) was assigned February 7, 1987 in the Federal Logistics Information System (FLIS). NIIN 012492571 was cancelled on August 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4240014495704. 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) 10102. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4240012492571 does not contain precious metals.
This information was last updated on Jun 01, 2024.