National Stock Number
4440-01-345-5739
National Stock Number (NSN) 4440-01-345-5739, or NIIN 013455739, (drier,air-gas,desiccant) was assigned September 21, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21045. [A DEVICE USED TO REMOVE MOISTURE, OIL, AND DUST PARTICLES FROM COMPRESSED AIR OR GAS LINES. THE ITEM HAS A HEATING UNIT FOR REACTIVATION OF THE DESICCANT(S) OR MAY BE A SELF-REACTIVATING HEATLESS AUTOMATIC PURGING TYPE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4440013455739 does not contain precious metals.
This information was last updated on Jul 01, 2025.