Part Number
Part Number:
NSN:
NIIN:
Item Name:
SPARK PLUG
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 0AFL4 | CHAMPION AEROSPACE LLC |
Federal Supply Class
Title
ENGINE ELECTRICAL SYSTEM COMPONE
Inclusions:
INCLUDES MAGNETOS; IGNITERS (SPARK PLUGS); IGNITION COILS; IGNITION DISTRIBUTORS; ENGINE VOLTAGE REGULATORS; IGNITION HARNESS ASSEMBLIES; STARTING MOTORS FOR ENGINES; ENGINE ACCESSORY GENERATORS.
Exclusions:
EXCLUDES AIRCRAFT LIGHTING FIXTURES (FSC 6220); AUXILIARY AIRCRAFT GENERATORS (FSC 6115).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAQL | BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| AYGK | TOP TO TERMINAL CONTACT DISTANCE | 1.500 INCHES NOMINAL |
| AYGL | TOP TO SHIELD THREAD DISTANCE | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| AYGN | BARREL INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| AYGH | SEAT MAJOR DIAMETER | 0.970 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| AYGM | SHIELD THREAD LENGTH | 0.335 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AYGB | THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 18-1.5MM BASE |
| AFYV | DC RESISTANCE RATING IN OHMS | 500.0 MINIMUM AND 1500.0 MAXIMUM |
| AYGB | THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 3/4-20 UNEF SHIELDING |
| AHPM | REACH LENGTH | 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| AYGF | MEAN EFFECTIVE PRESSURE RATING | 360.0 POUNDS PER SQUARE INCH NOMINAL |
| ALBY | USAGE DESIGN | AIRCRAFT ENGINE |
| AYGP | TERMINAL SLEEVE INSIDE DIAMETER | 0.290 INCHES NOMINAL |
| AYGA | ELECTRODE STYLE | FOUR GAP GROUND ELECTRODE |
| AYGJ | HEIGHT ABOVE MOUNTING SURFACE | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM |