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Technical Data Sheet
PartsTable / COMPONENT / M5757/40-008
M5757/40-008 ✓ 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 M5757/40-008 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 5945-00-405-3906, 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
M5757/40-008
NSN: 5945-00-405-3906
FSC: 5945
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5757/40-008
NSN5945-00-405-3906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M5757/40-008 TITLE COMPONENT PN M5757/40-008 MFR M5757/40-008
KEY FEATURES
•
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 1.0 AMPERES DC RESISTIVE LOAD
•
OVERALL DIAMETER: 0.335 INCHES MAXIMUM IN
•
TIME DELAY: 0.003 SECONDS MAXIMUM FIXED OPERATE TIME
•
WINDING DC RESISTANCE RATING: 351.0 OHMS MINIMUM AND 429.0 OHMS MAXIMUM SINGLE WINDING
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-5757/40 GOVERNMENT SPECIFICATION
•
FRAGILITY FACTOR: MODERATELY RUGGED
•
ENVIRONMENTAL PROTECTION: HERMETIC
TECHNICAL CHARACTERISTICS (FLIS)
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE1.0 AMPERES DC RESISTIVE LOAD
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE100.0 MILLIAMPERES DC LAMP LOAD
OVERALL DIAMETER0.335 INCHES MAXIMUM IN
TIME DELAY0.003 SECONDS MAXIMUM FIXED OPERATE TIME
WINDING DC RESISTANCE RATING351.0 OHMS MINIMUM AND 429.0 OHMS MAXIMUM SINGLE WINDING
SPECIFICATION/STANDARD DATA81349-MIL-R-5757/40 GOVERNMENT SPECIFICATION
FRAGILITY FACTORMODERATELY RUGGED
ENVIRONMENTAL PROTECTIONHERMETIC
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
5945001368399Interchangeable
interchangeable cross-reference
interchangeable
990334-1Interchangeable
interchangeable cross-reference
interchangeable
640-020-030Interchangeable
interchangeable cross-reference
interchangeable
M5757/40-003Interchangeable
interchangeable cross-reference
interchangeable
974-0083-030Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-5757/40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5757/40-008?
M5757/40-008 is a M5757/40-008.
What parts can replace M5757/40-008?
There are 27 known substitutes for M5757/40-008: 5945001368399, 990334-1, 640-020-030 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5757/40-008?
M5757/40-008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-405-3906. 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