National Stock Number
4540-01-021-4743
National Stock Number (NSN) 4540-01-021-4743, or NIIN 010214743, (control,flame safeguard) was assigned May 17, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 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. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31915. [AN ITEM PROVIDING ELECTRONIC FLAME SAFEGUARD PROTECTION FOR GAS, OIL, OR COMBINATION GAS-OIL BURNERS. IT SHUTS OFF THE FLOW OF GAS-OIL OR INITIATES A WARNING SIGNAL IN THE EVENT OF A POWER OR FLAME FAILURE. IT MAY INCLUDE RESTART CAPABILITY, FLAME DETECTOR, RELAY, FLAME ROD, PUSH BUTTON STOP-START CONTROL, OR A COMBINATION THEREOF. EXCLUDES:CONTROL, COMBUSTION, OIL BURNER; AND CONTROL, FUEL FLOW, OIL BURNER.]. 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 4540010214743 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.