NSN 2920-00-294-3750, 2920002943750
Cancelled -> Replaced by 2920010647906

Federal Supply Classification: FSC 2920 - Engine Electrical System Components, Nonaircraft
National Item Identification Number: NIIN 002943750
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: In Stock Qualified Suppliers: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 2920-00-294-3750

National Stock Number (NSN) 2920-00-294-3750, or NIIN 002943750, (spark plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 7 stock numbers. Five of the National Stock Numbers that it replaces are: 2920010647906, 2920006587275, 2920002463290, 2920008928328, 2920004006853.

There are 10 manufacturer part numbers associated with this NSN. 4 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, 5 suppliers are deemed design controlled or valid supply parts.

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 20, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 2920002943750 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

ELECTRODE STYLE: (AYGA) SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
BODY STYLE: (AAQL) UNSHIELDED, SOLID POST, TAPERED SEAT
DC RESISTANCE RATING IN OHMS: (AFYV) 10000.0 MINIMUM AND 20000.0 MAXIMUM
HEIGHT ABOVE MOUNTING SURFACE: (AYGJ) 2.310 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 3 TYPE AND A CLASS
PRESSURE RATING: (BGST) 254.0 POUNDS PER SQUARE INCH MINIMUM AND 300.0 POUNDS PER SQUARE INCH MAXIMUM MEAN EFFECTIVE
REACH LENGTH: (AHPM) 0.455 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
SEAT MAJOR DIAMETER: (AYGH) 0.775 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
SPECIAL FEATURES: (FEAT) SUPPORTS GRUMMAN A10 AIRCRAFT
WIDTH ACROSS FLATS: (ASDB) 0.812 INCHES NOMINAL
TEST DATA DOCUMENT: (TEST) 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
USAGE DESIGN: (ALBY) ENGINE OTHER THAN AIRCRAFT
MEAN EFFECTIVE PRESSURE RATING: (AYGF) 254.0 POUNDS PER SQUARE INCH MINIMUM AND 300.0 POUNDS PER SQUARE INCH MAXIMUM
UNABLE TO DECODE: (AYGF) UNABLE TO DECODE AND UNABLE TO DECODE
ELECTRODE STYLE: (AYGA) B1 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION: (AYGB) 18-1.5MM BASE