RN4C — SPARK PLUG

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

RN4C: SPARK PLUG.

The SPARK PLUG is a the manufacturer industrial component. Key specifications include body_style: UNSHIELDED, SOLID POST, GASKET SEAT, reach_length: 0.750 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4), pressure_rating: 300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS, width_across_flats: 0.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-003-5158, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

RN4C

NSN: 2920-00-003-5158
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 0AFL4 — CHAMPION AEROSPACE LLC (USA)

SPECIFICATIONS

body_style	UNSHIELDED, SOLID POST, GASKET SEAT
reach_length	0.750 INCHES NOMINAL IN
usage_design	ENGINE OTHER THAN AIRCRAFT
electrode_style	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating	300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
width_across_flats	0.812 INCHES NOMINAL IN
seat_major_diameter	0.8125 INCHES MAXIMUM IN
nondefinitive_spec/std_data	3 TYPE AND A CLASS
dc_resistance_rating_in_ohms	10000.0 NOMINAL
height_above_mounting_surface	2.200 INCHES NOMINAL IN
NSN	2920-00-003-5158

COMPONENT DIAGRAM

KEY FEATURES

•

PRESSURE RATING: 300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS

•

WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN

•

HEIGHT ABOVE MOUNTING SURFACE: 2.200 INCHES NOMINAL IN

•

USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT

•

ELECTRODE STYLE: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

•

BODY STYLE: UNSHIELDED, SOLID POST, GASKET SEAT

•

DC RESISTANCE RATING IN OHMS: 10000.0 NOMINAL

•

REACH LENGTH: 0.750 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PRESSURE RATING	300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
WIDTH ACROSS FLATS	0.812 INCHES NOMINAL IN
HEIGHT ABOVE MOUNTING SURFACE	2.200 INCHES NOMINAL IN
USAGE DESIGN	ENGINE OTHER THAN AIRCRAFT
ELECTRODE STYLE	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
BODY STYLE	UNSHIELDED, SOLID POST, GASKET SEAT
DC RESISTANCE RATING IN OHMS	10000.0 NOMINAL
REACH LENGTH	0.750 INCHES NOMINAL IN
SEAT MAJOR DIAMETER	0.8125 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND A CLASS

SUBSTITUTES & CROSS-REFERENCES 3

AGR21Reference document

Same NSN cross-reference

Reference document — Secondary reference

WS506Reference document

Same NSN cross-reference

Reference document — Identification reference

R43XLSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is RN4C?

RN4C is a SPARK PLUG.

What parts can replace RN4C?

There are 3 known substitutes for RN4C: AGR21, WS506, R43XL. Substitute compatibility should be verified for your specific system.

What is the NSN for RN4C?

RN4C is cataloged in the U.S. Government catalog under NSN 2920-00-003-5158. This indicates validated use in U.S. government and defense supply chains.

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