Product Details | SPARK PLUG

2920-00-580-4931 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; and ELECTRODE.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving

Part Alternates: 005804931

Engine Accessories | Engine Electrical System Components, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 1963001 00-580-4931

Cross Reference | NSN 2920-00-580-4931

Part Number Cage Code Manufacturer
SH20A 14170 HUGHES MISSILE SYSTEMS CO SAN DIEGO
SH20A 52970 ALLIED-SIGNAL INC AUTOLITE DIV

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Technical Data | NSN 2920-00-580-4931

Characteristic Specifications
BODY STYLE ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH 0.527 INCHES MINIMUM AND
WIDTH ACROSS FLATS 0.870 INCHES MINIMUM AND
SEAT MAJOR DIAMETER 0.965 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE 2.500 INCHES MINIMUM AND
TOP TO TERMINAL CONTACT DISTANCE 1.000 INCHES MINIMUM AND
TOP TO SHIELD THREAD DISTANCE 0.120 INCHES NOMINAL
SHIELD THREAD LENGTH 0.250 INCHES NOMINAL
BARREL INSIDE DIAMETER 0.459 INCHES MINIMUM AND
TERMINAL SLEEVE INSIDE DIAMETER 0.378 INCHES MINIMUM AND
ELECTRODE STYLE TRIPLE GAP GROUND ELECTRODE
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 18-1.5MM BASE AND
DC RESISTANCE RATING IN OHMS 1000.0 NOMINAL
USAGE DESIGN AIRCRAFT ENGINE
SPECIAL FEATURES ITEM IS USED ON ARMY TRUCKS

Restrictions/Controls & Freight Information | NSN 2920-00-580-4931

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 177080 SPARK PLUGS NOI IN BXS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 583 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 2920-00-580-4931

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code7An item that has been reviewed and determined not to fit the definition of codes 0 thru 6. These items are not assigned a specific application within the Marine Corps.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each