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N18556 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLATE ARMOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 1.437 INCHES NOMINAL IN, bore_diameter: 1.3750 INCHES NOMINAL IN, overall_width: 0.6562 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 5.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-00-618-5138, 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
N18556
NSN: 2510-00-618-5138
FSC: 2510
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length1.437 INCHES NOMINAL IN
bore_diameter1.3750 INCHES NOMINAL IN
overall_width0.6562 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height5.438 INCHES NOMINAL IN
mounting_methodFLANGE AND SLOT SINGLE GROUP
frequency_rating100.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
overall_diameter3.750 INCHES NOMINAL IN
special_featuresHOUSING HOLDS A 6V DC BATTERY AND PROVIDES MOUNTING FOR THE L70 LAZER SIGHT MODULE V
style_designatorMINIATURE PLUG-IN
body_overall_height4.625 INCHES NOMINAL IN
NSN2510-00-618-5138
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE ARMOR TITLE COMPONENT PN N18556 MFR PLATE ARMOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
23826H18Interchangeable
interchangeable cross-reference
interchangeable
H18Interchangeable
interchangeable cross-reference
interchangeable
C1792Interchangeable
interchangeable cross-reference
interchangeable
10124469Interchangeable
interchangeable cross-reference
interchangeable
JK07-110VInterchangeable
interchangeable cross-reference
interchangeable
291-5951-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N18556?
N18556 is a PLATE ARMOR.
What parts can replace N18556?
There are 15 known substitutes for N18556: 23826H18, H18, C1792 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N18556?
N18556 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-00-618-5138. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026