National Stock Number
3655-01-290-4403
National Stock Number (NSN) 3655-01-290-4403, or NIIN 012904403, (purging unit,air,liquid oxygen s) was assigned December 10, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 60880. [AN APPARATUS DESIGNED TO PURGE MOISTURE AND OTHER CONTAMINANTS FROM LIQUID OXYGEN STORAGE AND TRANSFER TANKS BY HEATING AIR DRAWN FROM THE ATMOSPHERE AND CAUSING THE HEATED AIR TO FLOW THROUGH THE SYSTEM.]. 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 3655012904403 contains an unknown precious metal.
This NSN is associated to Schedule B 8405900000: parts for producer gas, water gas, acetylene gas and similar water process gas generators, with or without their purifiers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Jul 01, 2025.