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Technical Data Sheet
MIL-E-278 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ELECTRODE,WELDING is a the manufacturer industrial component. Key specifications include shape: ROUND, length: 14.000 INCHES NOMINAL IN, material: COPPER ALLOY FILLER, current_type: AC OR DC, physical_form: STRAIGHT, container_type: CAN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3439-00-247-5157, 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
MIL-E-278
NSN: 3439-00-247-5157
FSC: 3439
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shapeROUND
length14.000 INCHES NOMINAL IN
materialCOPPER ALLOY FILLER
current_typeAC OR DC
physical_formSTRAIGHT
container_typeCAN
outside_diameter0.125 INCHES NOMINAL IN
special_featuresNOT PACKAGED FOR ISSUE
flux_coating_typeSHIELDED ARC
polarity_characteristicREVERSE
departure_from_cited_documentAS MODIFIED BY SPECIAL FEATURES
weld_position_for_which_designedHORIZONTAL
NSN3439-00-247-5157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRODE,WELDING TITLE COMPONENT PN MIL-E-278 MFR ELECTRODE,WELDING
KEY FEATURES
SHAPE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-E-278,CL MIL-E-CUAL-D MIL SPEC SINGLE MATERIAL RESPONSE FILLER
MATERIAL: COPPER ALLOY FILLER
LENGTH: 14.000 INCHES NOMINAL IN
OUTSIDE DIAMETER: 0.156 INCHES NOMINAL IN
CURRENT TYPE: DC
PHYSICAL FORM: STRAIGHT
WELD POSITION FOR WHICH DESIGNED: HORIZONTAL
TECHNICAL CHARACTERISTICS (FLIS)
SHAPEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-E-278,CL MIL-E-CUAL-D MIL SPEC SINGLE MATERIAL RESPONSE FILLER
MATERIALCOPPER ALLOY FILLER
LENGTH14.000 INCHES NOMINAL IN
OUTSIDE DIAMETER0.156 INCHES NOMINAL IN
CURRENT TYPEDC
PHYSICAL FORMSTRAIGHT
WELD POSITION FOR WHICH DESIGNEDHORIZONTAL
NONDEFINITIVE SPEC/STD DATAMIL-E-CUAL-D CLASS
POLARITY CHARACTERISTICREVERSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AWS A5.13Interchangeable
interchangeable cross-reference
interchangeable
AWSA5.13-70 RCOCR-A 0.250Interchangeable
interchangeable cross-reference
interchangeable
T00LWELDAAND0Interchangeable
interchangeable cross-reference
interchangeable
ASTMA399-56TInterchangeable
interchangeable cross-reference
interchangeable
AWSA5.13-70 EFE5-A 0.125Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-278Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-E-278?
MIL-E-278 is a ELECTRODE,WELDING.
What parts can replace MIL-E-278?
There are 13 known substitutes for MIL-E-278: AWS A5.13, AWSA5.13-70 RCOCR-A 0.250, T00LWELDAAND0 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-E-278?
MIL-E-278 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3439-00-247-5157. This indicates validated use in U.S. government and defense supply chains.
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