NSN 4540-00-167-0476, 4540001670476
CONTROL,FLAME SAFEGUARD

Federal Supply Classification: FSC 4540 - Waste Disposal Equipment
National Item Identification Number: NIIN 001670476
Codification Country: United States
Item Name Code: INC 31915
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 4540-00-167-0476

National Stock Number (NSN) 4540-00-167-0476, or NIIN 001670476, (control,flame safeguard) was assigned February 11, 1973 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. One of those 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 a year. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE8E821V2332, SPE8E821V0637, SPM8E811V0830. The total value of the awarded contracts has been US$ 5,442.57.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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 Jun 20, 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) 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 4540001670476 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) 1.000 IN. DIA; 2.000 IN. LG; 40.000 IN. LEADS; 0.500-14 NPT THD SIZE; AMBIENT TEMPERATURE LIMIT 212 DEG F MAX AND -40 DEG F MIN; FLAME FAILURE RESPONSE 2 SECONDS; IGNITION TRAIL PERIOD 12 SECONDS; 2ND END TWO WIRE LEAD UNPROCESSED
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) W1.000 IN. DIA; 2.000 IN. LG; 40.000 IN. LEADS; 0.500-14 NPT THD SIZE; AMBIENT TEMPERATURE LIMIT 212 DEG F MAX AND -40 DEG F MIN; FLAME FAILURE RESPONSE 2 SECONDS; IGNITION TRAIL PERIOD 12 SECONDS; 2ND END TWO WIRE LEAD UNPROCESSED