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Technical Data Sheet
PartsTable / MRO / 520221
520221 ✓ 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 520221 is a the manufacturer industrial component. Key specifications include end_item_identification: PREPROVISIONING SUPPORT NAVICP IS POE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-754-8261, 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→ 520221
NSN: 6145-00-754-8261
FSC: 6145
CAGE: 73905 — JENNINGS TECHNOLOGY COMPANY LLC DBA JENNINGS (USA)
SPECIFICATIONS
end_item_identificationPREPROVISIONING SUPPORT NAVICP IS POE
NSN6145-00-754-8261
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 520221 · 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
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
CROSS SECTION OUTSIDE DIAMETER: 0.064 INCHES NOMINAL IN
•
STRAND AWG SIZE PER CONDUCTOR: 30 SINGLE CONDUCTOR
•
TRACER COLOR: ORANGE FIRST TRACER SINGLE CONDUCTOR
•
STRAND QUANTITY PER CONDUCTOR: 7 SINGLE CONDUCTOR
•
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
•
TEMP RATING: 105.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.064 INCHES NOMINAL IN
STRAND AWG SIZE PER CONDUCTOR30 SINGLE CONDUCTOR
TRACER COLORORANGE FIRST TRACER SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
TEMP RATING105.0 CELSIUS DEGC
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-W-16878/2Upgraded Successor
successor cross-reference
successor
10049101-21Upgraded Successor
successor cross-reference
successor
NX4824SJUpgraded Successor
successor cross-reference
successor
MILW16878-2Upgraded Successor
successor cross-reference
successor
439-1906-000Upgraded Successor
successor cross-reference
successor
439-1906-00Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520221?
520221 is a 520221. It is classified as a MRO (MRO_GENERAL).
What parts can replace 520221?
There are 18 known substitutes for 520221: MIL-W-16878/2, 10049101-21, NX4824SJ and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 520221?
520221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-754-8261. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026