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Technical Data Sheet
PartsTable / COMPONENT / M39019/03-255
M39019/03-255 ✓ 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 M39019/03-255 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-034-9175, 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
M39019/03-255
NSN: 5925-01-034-9175
FSC: 5925
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM39019/03-255
NSN5925-01-034-9175
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M39019/03-255 TITLE COMPONENT PN M39019/03-255 MFR M39019/03-255
KEY FEATURES
•
CIRCUIT PROTECTION TYPE: OVERCURRENT ALL LOCATIONS
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 240.0 AC AND 50.0 DC ALL LOCATIONS
•
TEST DATA DOCUMENT: 81349-MIL-PRF-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
FREQUENCY IN HERTZ: 400.0 ALL LOCATIONS
•
THREAD SERIES DESIGNATOR: UNEF
•
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 125.0 ALL LOCATIONS
•
TRIP RELEASE CHARACTERISTIC: TIME DELAY ALL LOCATIONS
TECHNICAL CHARACTERISTICS (FLIS)
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
NOMINAL THREAD SIZE0.375 INCHES IN
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND 50.0 DC ALL LOCATIONS
TEST DATA DOCUMENT81349-MIL-PRF-39019 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
THREAD SERIES DESIGNATORUNEF
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FFS85TYPE2STYLE10PGRADE5Interchangeable
interchangeable cross-reference
interchangeable
781381Interchangeable
interchangeable cross-reference
interchangeable
3AX620Interchangeable
interchangeable cross-reference
interchangeable
M271Interchangeable
interchangeable cross-reference
interchangeable
5119-4824-3804PC1-217-27Interchangeable
interchangeable cross-reference
interchangeable
SMD557971-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39019/03-255?
M39019/03-255 is a M39019/03-255.
What parts can replace M39019/03-255?
There are 13 known substitutes for M39019/03-255: FFS85TYPE2STYLE10PGRADE5, 781381, 3AX620 and 10 more. Substitute compatibility should be verified for your specific system.
Is M39019/03-255 still available?
M39019/03-255 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026