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Technical Data Sheet
RG74AU ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The RG74AU is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, conductor_form: SOLID SINGLE CONDUCTOR, voltage_rating: 5500.0 MAXIMUM PEAK OPERATING VOLTAGE SINGLE CONDUCTOR, special_features: CABLE TYPE MIL-C-17,RG-74A/U A, electrical_resistance: 51.0 OHMS IMPEDANCE AND 53.0 OHMS IMPEDANCE, cross-sectional_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-243-0483, 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
MRO MRO_GENERAL RG74AU
NSN: 6145-00-243-0483
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
conductor_formSOLID SINGLE CONDUCTOR
voltage_rating5500.0 MAXIMUM PEAK OPERATING VOLTAGE SINGLE CONDUCTOR
special_featuresCABLE TYPE MIL-C-17,RG-74A/U A
conductor_quantity1
electrical_resistance51.0 OHMS IMPEDANCE AND 53.0 OHMS IMPEDANCE
cross-sectional_shape_styleROUND
cross_section_outside_diameter0.615 INCHES NOMINAL IN
nominal_capacitance_in_picofarads29.0 PER FOOT
conductor_arrangement_and_quantity1 COAXIAL
NSN6145-00-243-0483
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: RG74AU · 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
VOLTAGE RATING: 5500.0 MAXIMUM PEAK OPERATING VOLTAGE SINGLE CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY: 1 COAXIAL
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
ELECTRICAL RESISTANCE: 51.0 OHMS IMPEDANCE AND 53.0 OHMS IMPEDANCE
NOMINAL CAPACITANCE IN PICOFARADS: 29.0 PER FOOT
CONDUCTOR QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING5500.0 MAXIMUM PEAK OPERATING VOLTAGE SINGLE CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY1 COAXIAL
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
SPECIAL FEATURESCABLE TYPE MIL-C-17,RG-74A/U A
ELECTRICAL RESISTANCE51.0 OHMS IMPEDANCE AND 53.0 OHMS IMPEDANCE
NOMINAL CAPACITANCE IN PICOFARADS29.0 PER FOOT
CONDUCTOR QUANTITY1
CROSS SECTION OUTSIDE DIAMETER0.615 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
MIL-DTL-17/75Upgraded Successor
successor cross-reference
successor
M17/164-00002Upgraded Successor
successor cross-reference
successor
M17/75-RG365Upgraded Successor
successor cross-reference
successor
PP15133-8Upgraded Successor
successor cross-reference
successor
425-1544-00Upgraded Successor
successor cross-reference
successor
MIL-DTL-17/93Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RG74AU?
RG74AU is a RG74AU. It is classified as a MRO (MRO_GENERAL).
What parts can replace RG74AU?
There are 30 known substitutes for RG74AU: MIL-DTL-17/75, M17/164-00002, M17/75-RG365 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RG74AU?
RG74AU is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-243-0483. This indicates validated use in U.S. government and defense supply chains.
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