National Stock Number
4920-00-137-6916
National Stock Number (NSN) 4920-00-137-6916, or NIIN 001376916, (heater,aircraft engine maintenan) was assigned July 19, 1971 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. One of those 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. 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.
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 Sep 25, 2018, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 42577. [A SPECIFICALLY DESIGNED HEATING DEVICE USED TO HEAT ENGINE COMPONENTS SUCH AS TURBINES, FLANGES, BEARINGS, SEALS AND THE LIKE, DURING MAINTENANCE/ASSEMBLY. USUALLY HAS EXTERNAL/REMOTE CONTROLS AND AN EXTERNAL POWER SOURCE.]. 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 4920001376916 does not contain precious metals.
This NSN is associated to Schedule B 8419899585: industrial machinery, plant or equipment for the treatment of materials, involving a change in temperature, nesoi. 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.