PartsTable
Technical Data Sheet
MIL-DTL-55021 ✓ 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 MIL-DTL-55021 is a the manufacturer industrial component. Key specifications include color: WHITE CORE PRIMARY INSULATION ALL CONDUCTORS, material: PLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS, temp_rating: -65.0 CELSIUS AND 200.0 CELSIUS DEGC, conductor_form: STRANDED ALL CONDUCTORS, voltage_rating: 1000.0 MAXIMUM PEAK OPERATING VOLTAGE ALL CONDUCTORS, round_conductor_size: 24 AWG ALL CONDUCTORS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-295-1024, 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 MIL-DTL-55021
NSN: 6145-00-295-1024
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorWHITE CORE PRIMARY INSULATION ALL CONDUCTORS
materialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
temp_rating-65.0 CELSIUS AND 200.0 CELSIUS DEGC
conductor_formSTRANDED ALL CONDUCTORS
group_quantity1
voltage_rating1000.0 MAXIMUM PEAK OPERATING VOLTAGE ALL CONDUCTORS
conductor_quantity3
round_conductor_size24 AWG ALL CONDUCTORS
color_coding_documentMIL-STD-681D STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
cross-sectional_shape_styleTWIST
strand_awg_size_per_conductor24 OR 32 ALL CONDUCTORS
strand_quantity_per_conductor1 OR 7 ALL CONDUCTORS
NSN6145-00-295-1024
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: MIL-DTL-55021 · 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
STRAND AWG SIZE PER CONDUCTOR: 30 ALL CONDUCTORS
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLE: TWIST
ROUND CONDUCTOR SIZE: 18 AWG ALL CONDUCTORS
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
COLOR: WHITE FIRST POSITION COVER ALL CONDUCTORS
VOLTAGE RATING: 1000.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLETWIST
ROUND CONDUCTOR SIZE18 AWG ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
COLORWHITE FIRST POSITION COVER ALL CONDUCTORS
VOLTAGE RATING1000.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY1 TWISTED TOGETHER W/NO OUTER COVERING
TRACER COLORBLACK FIRST TRACER SECOND CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
19D321320-6Upgraded Successor
successor cross-reference
successor
M16878/18BGB6Upgraded Successor
successor cross-reference
successor
MW-C20(7)J6Upgraded Successor
successor cross-reference
successor
MIL-DTL-76Upgraded Successor
successor cross-reference
successor
MIL-W-76Upgraded Successor
successor cross-reference
successor
M76MWPC1816B7Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-55021?
MIL-DTL-55021 is a MIL-DTL-55021. It is classified as a MRO (MRO_GENERAL).
What parts can replace MIL-DTL-55021?
There are 24 known substitutes for MIL-DTL-55021: 19D321320-6, M16878/18BGB6, MW-C20(7)J6 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-55021?
MIL-DTL-55021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-295-1024. This indicates validated use in U.S. government and defense supply chains.
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