Product Details | SPARK PLUG

2925-00-056-7058 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: MILS7886, MILS78861002, MILS7886-1002, 2925-00-056-7058, 00-056-7058, 2925000567058, 000567058

Engine Accessories | Engine Electrical System Components, Aircraft Prime Moving

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-056-7058

Drawings & Photos | NSN 2925-00-056-7058


Cross Reference | NSN 2925-00-056-7058

Part Number Cage Code Manufacturer
MILS7886 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILS7886-1002 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 2925-00-056-7058

Characteristic Specifications
BODY STYLE A6 ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
SEAT MAJOR DIAMETER 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM
HEIGHT ABOVE MOUNTING SURFACE 2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM
TOP TO TERMINAL CONTACT DISTANCE 1.480 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
TOP TO SHIELD THREAD DISTANCE 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
SHIELD THREAD LENGTH 0.335 INCHES MAXIMUM
BARREL INSIDE DIAMETER 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
TERMINAL SLEEVE INSIDE DIAMETER 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM
ELECTRODE STYLE B12 TWO FLAT GROUND ELECTRODE
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 18-1.5MM BASE 3/4-20 UNEF SHIELDING
USAGE DESIGN AIRCRAFT ENGINE
SPECIAL FEATURES FINE WIRE (PLATINUM) ELECTRODES,0.015 IN. MIN,0.018 IN. MAX GAP
NONDEFINITIVE SPEC/STD DATA 1 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILS7886
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILS7886-1002

Restrictions/Controls & Freight Information | NSN 2925-00-056-7058

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
No Freight Information