R42T — SPARK PLUG

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

R42T: SPARK PLUG.

The SPARK PLUG is a the manufacturer industrial component. Key specifications include body_style: UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT, reach_length: 0.460 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4), pressure_rating: 325.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS, special_features: STANDARD TIP STYLE SERIES. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-007-8358, 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

R42T

NSN: 2920-00-007-8358
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)

SPECIFICATIONS

body_style	UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT
reach_length	0.460 INCHES NOMINAL IN
usage_design	ENGINE OTHER THAN AIRCRAFT
electrode_style	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating	325.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
special_features	STANDARD TIP STYLE SERIES
width_across_flats	0.625 INCHES NOMINAL IN
seat_major_diameter	0.625 INCHES MAXIMUM IN
dc_resistance_rating_in_ohms	10000.0 NOMINAL
height_above_mounting_surface	2.030 INCHES NOMINAL IN
NSN	2920-00-007-8358

COMPONENT DIAGRAM

KEY FEATURES

•

PRESSURE RATING: 325.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS

•

WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN

•

HEIGHT ABOVE MOUNTING SURFACE: 2.030 INCHES NOMINAL IN

•

USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT

•

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

•

BODY STYLE: UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT

•

DC RESISTANCE RATING IN OHMS: 10000.0 NOMINAL

•

REACH LENGTH: 0.460 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PRESSURE RATING	325.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
WIDTH ACROSS FLATS	0.625 INCHES NOMINAL IN
HEIGHT ABOVE MOUNTING SURFACE	2.030 INCHES NOMINAL IN
USAGE DESIGN	ENGINE OTHER THAN AIRCRAFT
ELECTRODE STYLE	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
BODY STYLE	UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT
DC RESISTANCE RATING IN OHMS	10000.0 NOMINAL
REACH LENGTH	0.460 INCHES NOMINAL IN
SEAT MAJOR DIAMETER	0.625 INCHES MAXIMUM IN
SPECIAL FEATURES	STANDARD TIP STYLE SERIES

OTHER ITEMS IN FSC 2920 — Engine Electrical System Components, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2920-00-003-5173 2920-00-005-1596 2920-00-035-6718 2920-00-158-2674 2920-00-255-4938 2920-00-424-3259

SUBSTITUTES & CROSS-REFERENCES 1

ARF2Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is R42T?

R42T is a SPARK PLUG.

What parts can replace R42T?

There is 1 known substitute for R42T: ARF2. Substitute compatibility should be verified for your specific system.

What is the NSN for R42T?

R42T is cataloged in the U.S. Government catalog under NSN 2920-00-007-8358. This indicates validated use in U.S. government and defense supply chains.

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