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Technical Data Sheet
RG55BU ✓ 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 RG55BU is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR, conductor_form: SOLID SINGLE CONDUCTOR, voltage_rating: 1400.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, precious_material: SILVER, surface_treatment: SILVER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR, round_conductor_size: 20 AWG SINGLE CONDUCTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-225-8709, 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 RG55BU
NSN: 6145-00-225-8709
FSC: 6145
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
conductor_formSOLID SINGLE CONDUCTOR
voltage_rating1400.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
precious_materialSILVER
surface_treatmentSILVER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR
conductor_quantity1
round_conductor_size20 AWG SINGLE CONDUCTOR
electrical_resistance50.0 OHMS IMPEDANCE
cross-sectional_shape_styleROUND
cross_section_outside_diameter0.212 INCHES NOMINAL IN
precious_material_and_locationSURFACE SINGLE CONDUCTOR SILVER AND SURFACE SHIELD BRAID SILVER
nominal_capacitance_in_picofarads32.2 PER FOOT
NSN6145-00-225-8709
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: RG55BU · 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
CROSS SECTION OUTSIDE DIAMETER: 0.206 INCHES NOMINAL IN
SURFACE TREATMENT: SILVER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 20 AWG SINGLE CONDUCTOR
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY: 1 COAXIAL
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.206 INCHES NOMINAL IN
SURFACE TREATMENTSILVER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE20 AWG SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY1 COAXIAL
MATERIALPLASTIC FIRST POSITION JACKET CABLE
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR QUANTITY1
CROSS SECTION OUTSIDE DIAMETER0.206 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
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 RG55BU?
RG55BU is a RG55BU. It is classified as a MRO (MRO_GENERAL).
What parts can replace RG55BU?
There are 29 known substitutes for RG55BU: MIL-DTL-17/75, M17/164-00002, M17/75-RG365 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RG55BU?
RG55BU is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-225-8709. This indicates validated use in U.S. government and defense supply chains.
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