QL77JC4 — SPARK PLUG

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

QL77JC4: SPARK PLUG.

The SPARK PLUG is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 1.133 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, special_features: CROSS BAR INSIDE TAPE RED BORE. This part is cataloged in the U.S.

Government catalog under NSN 2920-01-195-6908, 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

QL77JC4

NSN: 2920-01-195-6908
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 86850 — CHAMPION AVIATION INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	1.133 INCHES NOMINAL IN
thread_class	2B
thread_series	UN
special_features	CROSS BAR INSIDE TAPE RED BORE
thread_direction	RIGHT-HAND
width_across_flats	1.380 INCHES NOMINAL IN
nominal_thread_size	1.000 INCHES IN
bearing_surface_type	WASHER FACED
thread_quantity_per_inch	16
NSN	2920-01-195-6908

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 4

387633Reference document

Same NSN cross-reference

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

QL77J4Reference document

Same NSN cross-reference

Reference document — Secondary reference

263Reference document

Same NSN cross-reference

Reference document — Secondary reference

W3ACSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is QL77JC4?

QL77JC4 is a SPARK PLUG.

What parts can replace QL77JC4?

There are 4 known substitutes for QL77JC4: 387633, QL77J4, 263 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for QL77JC4?

QL77JC4 is cataloged in the U.S. Government catalog under NSN 2920-01-195-6908. This indicates validated use in U.S. government and defense supply chains.

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QL77JC4 — SPARK PLUG

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