National Stock Number
4130-01-033-6948
National Stock Number (NSN) 4130-01-033-6948, or NIIN 010336948, (heat interchanger,refrigerant) was assigned January 8, 1977 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 2 suppliers. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 19, 2014, 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) 12791. [AN APPARATUS DESIGNED TO LOWER THE TEMPERATURE OF THE LIQUID REFRIGERANT AND RAISE THE TEMPERATURE OF THE SUCTION VAPOR BY PERMITTING THE TRANSFER OF HEAT FROM BOTH THROUGH THE WALLS OF THE SEPARATING CHAMBERS.]. 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 4130010336948 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.