PartsTable
Technical Data Sheet
MIL-DTL-55021D ✓ 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-55021D is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR ALL CONDUCTORS, conductor_form: STRANDED ALL CONDUCTORS, round_conductor_size: 20 AWG THIRD CONDUCTOR, cross-sectional_shape_style: ROUND, strand_awg_size_per_conductor: 32 ALL CONDUCTORS, strand_quantity_per_conductor: 19 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 6145-01-622-2967, 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-55021D
NSN: 6145-01-622-2967
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER CORE CONDUCTOR ALL CONDUCTORS
conductor_formSTRANDED ALL CONDUCTORS
conductor_quantity2
round_conductor_size20 AWG THIRD CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor32 ALL CONDUCTORS
strand_quantity_per_conductor19 ALL CONDUCTORS
part_name_assigned_by_controlling_agencyCABLE
NSN6145-01-622-2967
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-55021D · 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-SECTIONAL SHAPE STYLE: ROUND
CONDUCTOR QUANTITY: 2
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
ROUND CONDUCTOR SIZE: 20 AWG THIRD CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR: 32 ALL CONDUCTORS
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR: 19 ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR QUANTITY2
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
PART NAME ASSIGNED BY CONTROLLING AGENCYCABLE
ROUND CONDUCTOR SIZE20 AWG THIRD CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR32 ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR19 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
710899-41Upgraded Successor
successor cross-reference
successor
710899-041Upgraded Successor
successor cross-reference
successor
MILC55021-1Upgraded Successor
successor cross-reference
successor
CC14J8-89-890UUpgraded Successor
successor cross-reference
successor
MIL-DTL-55021/1Upgraded Successor
successor cross-reference
successor
10049101-15Upgraded 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-55021D?
MIL-DTL-55021D is a MIL-DTL-55021D. It is classified as a MRO (MRO_GENERAL).
What parts can replace MIL-DTL-55021D?
There are 21 known substitutes for MIL-DTL-55021D: 710899-41, 710899-041, MILC55021-1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-55021D?
MIL-DTL-55021D is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-622-2967. This indicates validated use in U.S. government and defense supply chains.
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