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RL87YC — SPARK PLUG

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RL87YC: SPARK PLUG.

The SPARK PLUG is a the manufacturer industrial component. Key specifications include body_style: UNSHIELDED, THREADED POST, GASKET SEAT, reach_length: 0.472 INCHES NOMINAL IN, electrode_style: SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1), width_across_flats: 0.812 INCHES NOMINAL IN, seat_major_diameter: 0.790 INCHES NOMINAL IN, height_above_mounting_surface: 2.150 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2920-01-072-3380, 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
RL87YC
NSN: 2920-01-072-3380
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
body_styleUNSHIELDED, THREADED POST, GASKET SEAT
reach_length0.472 INCHES NOMINAL IN
electrode_styleSINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
width_across_flats0.812 INCHES NOMINAL IN
seat_major_diameter0.790 INCHES NOMINAL IN
height_above_mounting_surface2.150 INCHES NOMINAL IN
NSN2920-01-072-3380
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPARK PLUG TITLE COMPONENT PN RL87YC MFR SPARK PLUG
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
•
HEIGHT ABOVE MOUNTING SURFACE: 2.150 INCHES NOMINAL IN
•
ELECTRODE STYLE: SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
•
BODY STYLE: UNSHIELDED, THREADED POST, GASKET SEAT
•
REACH LENGTH: 0.472 INCHES NOMINAL IN
•
SEAT MAJOR DIAMETER: 0.790 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
HEIGHT ABOVE MOUNTING SURFACE2.150 INCHES NOMINAL IN
ELECTRODE STYLESINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
BODY STYLEUNSHIELDED, THREADED POST, GASKET SEAT
REACH LENGTH0.472 INCHES NOMINAL IN
SEAT MAJOR DIAMETER0.790 INCHES NOMINAL 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.
2920-00-000-0088 2920-00-000-0183 2920-00-000-0194 2920-00-001-3474 2920-00-001-3843 2920-00-001-6184 2920-00-001-6185 2920-00-001-8891
SUBSTITUTES & CROSS-REFERENCES 1
RL-87YReference document
Same NSN cross-reference
Reference document — Secondary reference
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 RL87YC?
RL87YC is a SPARK PLUG.
What parts can replace RL87YC?
There is 1 known substitute for RL87YC: RL-87Y. Substitute compatibility should be verified for your specific system.
What is the NSN for RL87YC?
RL87YC is cataloged in the U.S. Government catalog under NSN 2920-01-072-3380. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.