NSN 2920-00-004-6788, 2920000046788
Cancelled -> Replaced by 2920004321129

Federal Supply Classification: FSC 2920 - Engine Electrical System Components, Nonaircraft
National Item Identification Number: NIIN 000046788
Codification Country: United States
Item Name Code: INC 00294
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 2 qualified suppliers

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DLMS^® Summary

National Stock Number 2920-00-004-6788

National Stock Number (NSN) 2920-00-004-6788, or NIIN 000046788, (spark plug) was assigned June 7, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2920000046792, 2920004321129.

There are 8 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 00294. [AN ITEM CONTAINING TWO OR MORE ELECTRODES ACROSS WHICH AN ELECTRIC SPARK IS DISCHARGED TO IGNITE A FUEL AND AIR MIXTURE, PRIMARILY IN INTERNAL COMBUSTION ENGINES. EXCLUDES:GLOW PLUG; ELECTRODE.]. 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 2920000046788 contains an unknown precious metal.

This NSN is associated to Schedule B 8511100000: spark plugs for internal combustion engines. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.

This information was last updated on Jul 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (AYGF) UNABLE TO DECODE AND UNABLE TO DECODE
MEAN EFFECTIVE PRESSURE RATING: (AYGF) 190.0 POUNDS PER SQUARE INCH MINIMUM AND 220.0 POUNDS PER SQUARE INCH MAXIMUM
ELECTRODE STYLE: (AYGA) B18 SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
ELECTRODE STYLE: (AYGA) SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
BODY STYLE: (AAQL) UNSHIELDED, SOLID POST, TAPERED SEAT
DC RESISTANCE RATING IN OHMS: (AFYV) 10000.0 NOMINAL
HEIGHT ABOVE MOUNTING SURFACE: (AYGJ) 2.030 INCHES NOMINAL
PRESSURE RATING: (BGST) 190.0 POUNDS PER SQUARE INCH MINIMUM AND 220.0 POUNDS PER SQUARE INCH MAXIMUM MEAN EFFECTIVE
REACH LENGTH: (AHPM) 0.460 INCHES NOMINAL
SEAT MAJOR DIAMETER: (AYGH) 0.6250 INCHES MAXIMUM
SPECIAL FEATURES: (FEAT) TAPERED SEAT SERIES
WIDTH ACROSS FLATS: (ASDB) 0.625 INCHES NOMINAL
USAGE DESIGN: (ALBY) ENGINE OTHER THAN AIRCRAFT
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION: (AYGB) 14-1.25MM BASE