UL77V — SPARK PLUG

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

UL77V: SPARK PLUG.

The SPARK PLUG is a the manufacturer industrial component. Key specifications include reach_length: 0.500 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP, pressure_rating: 55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS, width_across_flats: 0.812 INCHES NOMINAL IN, seat_major_diameter: 0.541 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-184-7699, 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

UL77V

NSN: 2920-00-184-7699
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 0B231 — CHAMPION AVIATION INC AUTOMOTIVE DIV (USA)

SPECIFICATIONS

reach_length	0.500 INCHES NOMINAL IN
usage_design	ENGINE OTHER THAN AIRCRAFT
electrode_style	SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP
pressure_rating	55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
width_across_flats	0.812 INCHES NOMINAL IN
seat_major_diameter	0.541 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
NSN	2920-00-184-7699

COMPONENT DIAGRAM

KEY FEATURES

•

PRESSURE RATING: 55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS

•

WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN

•

USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT

•

ELECTRODE STYLE: SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP

•

REACH LENGTH: 0.500 INCHES NOMINAL IN

•

SEAT MAJOR DIAMETER: 0.541 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

PRESSURE RATING	55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
WIDTH ACROSS FLATS	0.812 INCHES NOMINAL IN
USAGE DESIGN	ENGINE OTHER THAN AIRCRAFT
ELECTRODE STYLE	SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP
REACH LENGTH	0.500 INCHES NOMINAL IN
SEAT MAJOR DIAMETER	0.541 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN

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 3

384771Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

VB40FFMSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

UL-18-VReference 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 UL77V?

UL77V is a SPARK PLUG.

What parts can replace UL77V?

There are 3 known substitutes for UL77V: 384771, VB40FFM, UL-18-V. Substitute compatibility should be verified for your specific system.

What is the NSN for UL77V?

UL77V is cataloged in the U.S. Government catalog under NSN 2920-00-184-7699. This indicates validated use in U.S. government and defense supply chains.

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