Part Number
Definition:
AN ITEM HAVING ONE OR MORE ELECTRODES ARRANGED TO FORM AN AIR GAP ACROSS WHICH AN ELECTRIC SPARK IS INTRODUCED AND DISCHARGED TO IGNITE FUEL AND AIR MIXTURE IN AN INTERNAL COMBUSTION ENGINE FOR THE PURPOSE OF INITIAL STARTING ONLY. IN ENGINES DESIGNED FOR THE SINGLE ELECTRODE TYPE, TWO PLUGS ARE REQUIRED WITHIN THE COMBUSTION CHAMBER IN PROPER PLACEMENT TO EFFECT THE AIR GAP. AN IGNITER PLUG DIFFERS FROM A SPARK PLUG BY ALWAYS HAVING COOLING FACILITIES IN THE FORM OF HOLES OR SLOTS IN THE PLUG CASING TO ALLOW ENTRY OF AIR CURRENTS AROUND THE ELECTRODE(S). EXCLUDES SPARK PLUG; GLOW PLUG AND ELECTRODE.
CAGE Information
| Code | Company |
|---|---|
| 70040 | GENERAL MOTORS CORP AC ROCHESTER DIV |
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 |
|---|---|---|
| ABMZ | DIAMETER | 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| ABMZ | DIAMETER | 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| ANGJ | MOUNTING FACILITY THREAD SIZE | 15/16-16 NS |
| ALPY | POLARIZATION FEATURE | INCLUDED |
| ABRY | LENGTH | 5.267 INCHES MINIMUM AND 5.317 INCHES MAXIMUM |
| AXGY | MOUNTING METHOD | THREAD |
| AEJZ | DEPTH | 1.110 INCHES NOMINAL |
| AXNM | PLUG DESIGN | STRAIGHT |