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Technical Data Sheet
PartsTable / COMPONENT / 2803/4
2803/4 ✓ Verified by PartsTable
— · WIRE CABLE
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 2803/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-542-6940, 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
2803/4
NSN: 6145-01-542-6940
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
Part Number2803/4
NSN6145-01-542-6940
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 2803/4 · 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 QUANTITY: 4
•
MATERIAL: COPPER CORE CONDUCTOR ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 25 ALL CONDUCTORS
•
PRECIOUS MATERIAL: SILVER
•
CROSS SECTION OUTSIDE DIAMETER: 0.310 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONOK-312A/TSQ-120B, CONTROL GROUP A
CONDUCTOR QUANTITY4
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR25 ALL CONDUCTORS
PART NAME ASSIGNED BY CONTROLLING AGENCYELECTRICAL CABLE
PRECIOUS MATERIALSILVER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CORE PRIMARY INSULATION ALL CONDUCTORS
CROSS SECTION OUTSIDE DIAMETER0.310 INCHES NOMINAL IN
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
TEMP RATING200.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
8037021216Interchangeable
interchangeable cross-reference
interchangeable
A-A-1353Interchangeable
interchangeable cross-reference
interchangeable
1434Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-421Interchangeable
interchangeable cross-reference
interchangeable
ASME B94351MInterchangeable
interchangeable cross-reference
interchangeable
ASME B94.51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2803/4?
2803/4 is a 2803/4.
What parts can replace 2803/4?
There are 16 known substitutes for 2803/4: 8037021216, A-A-1353, 1434 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2803/4?
2803/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-542-6940. 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