National Stock Number
4130-01-178-4681
National Stock Number (NSN) 4130-01-178-4681, or NIIN 011784681, (cooling coil,air,duct type) was assigned May 5, 1984 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, 2 suppliers are listed as Active suppliers 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 fairly common among different weapons systems, belonging to 19 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 06, 2020, 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) 07530. [A UNIT CONSISTING OF PARALLEL TUBES JOINED TOGETHER BY A HEADER ON HEADERS, UTILIZING FINS TO INCREASE THE SURFACE AREA. DESIGNED TO BE USED IN CONJUNCTION WITH A DUCT IN WHICH A BLOWER OR FAN IS PROVIDED TO CIRCULATE AIR THROUGH THE UNIT TO PERFORM THE FUNCTION OF COOLING, HEATING , VENTILATING AND/OR DEHUMIDIFYING (HVAC).]. 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 4130011784681 does not contain precious metals.
This NSN is associated to Schedule B 8415908025: air conditioning evaporator coils. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333415: air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing.
This information was last updated on Jul 01, 2025.