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GC18B120 — CABLE,SPECIAL PURPOSE,ELECTRICAL

✓ Government record, cited
— · WIRE CABLE
PRODUCT OVERVIEW

GC18B120: CABLE,SPECIAL PURPOSE,ELECTRICAL.

CABLE,SPECIAL PURPOSE,ELECTRICAL. Key specifications include color: GRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: -65.0 CELSIUS AND 200.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, surface_treatment: SILVER CORE CONDUCTOR SINGLE CONDUCTOR. This part is cataloged in the U.S.

Government catalog under NSN 6145-01-044-5278, 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
GC18B120
NSN: 6145-01-044-5278
FSC: 6145 — Wire and Cable, Electrical
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
colorGRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating-65.0 CELSIUS AND 200.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
surface_treatmentSILVER CORE CONDUCTOR SINGLE CONDUCTOR
conductor_quantity1
round_conductor_size20 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor32 SINGLE CONDUCTOR
strand_quantity_per_conductor19 SINGLE CONDUCTOR
cross_section_outside_diameter0.089 INCHES NOMINAL IN
NSN6145-01-044-5278
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: GC18B120 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ROUND CONDUCTOR SIZE: 20 AWG SINGLE CONDUCTOR
•
TEMP RATING: -65.0 CELSIUS AND 200.0 CELSIUS DEGC
•
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
•
CONDUCTOR QUANTITY: 1
•
STRAND AWG SIZE PER CONDUCTOR: 32 SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
ROUND CONDUCTOR SIZE20 AWG SINGLE CONDUCTOR
TEMP RATING-65.0 CELSIUS AND 200.0 CELSIUS DEGC
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
CONDUCTOR QUANTITY1
STRAND AWG SIZE PER CONDUCTOR32 SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR19 SINGLE CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY1 SINGLES
OTHER ITEMS IN FSC 6145 — Wire and Cable, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6145-00-000-0090 6145-00-000-0095 6145-00-001-1281 6145-00-001-3002 6145-00-001-4504 6145-00-001-5158 6145-00-001-5159 6145-00-001-5160
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC18B120?
GC18B120 is a CABLE,SPECIAL PURPOSE,ELECTRICAL.
What is the NSN for GC18B120?
GC18B120 is cataloged in the U.S. Government catalog under NSN 6145-01-044-5278. This indicates validated use in U.S. government and defense supply chains.
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