PartsTable
Technical Data Sheet

MIL-R-5757/9 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MIL-R-5757/9: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, time_delay: 0.004 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME, storage_type: GENERAL PURPOSE WAREHOUSE, cubic_measure: 0.290 CUBIC INCHES, overall_width: 0.410 INCHES MAXIMUM IN, overall_height: 0.600 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-138-7761, 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-R-5757/9
NSN: 5945-00-138-7761
NIINs: 001387761, 001728224, 002579467, 003781279, 003868158, 004048635, 004302603, 004720068, 004787841, 004931751, 006328608, 009048319, 009249542, 009342875, 009451581, 010252628, 010381033, 010526792, 012078886, 012119791, 012137879, 012376568
FSC: 5945 — Relays and Solenoids
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
duty_typeCONTINUOUS
time_delay0.004 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
storage_typeGENERAL PURPOSE WAREHOUSE
coil_quantity1
cubic_measure0.290 CUBIC INCHES
overall_width0.410 INCHES MAXIMUM IN
overall_height0.600 INCHES MAXIMUM IN
overall_length1.180 INCHES MAXIMUM IN
fragility_factorMODERATELY RUGGED
special_featuresFAILURE RATE LEVEL 0.1 PERCENT
winding_quantity1
features_providedPOLARIZED
NSN5945-00-138-7761
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN MIL-R-5757/9 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 0.3 AMPERES AC AND 2.0 AMPERES DC INDUCTIVE LOAD
•
DUTY TYPE: CONTINUOUS
•
WINDING DC RESISTANCE RATING: 600.0 OHMS MINIMUM ALL WINDINGS
•
COIL QUANTITY: 1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.410 INCHES NOMINAL IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE0.3 AMPERES AC AND 2.0 AMPERES DC INDUCTIVE LOAD
DUTY TYPECONTINUOUS
OVERALL LENGTH1.180 INCHES NOMINAL IN
OVERALL WIDTH0.410 INCHES NOMINAL IN
WINDING DC RESISTANCE RATING600.0 OHMS MINIMUM ALL WINDINGS
COIL QUANTITY1
ENVIRONMENTAL PROTECTIONHERMETIC
OTHER ITEMS IN FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093 5945-00-001-1891 5945-00-001-2622 5945-00-001-2795 5945-00-001-2806 5945-00-001-2938 5945-00-001-3015 5945-00-001-3016
SUBSTITUTES & CROSS-REFERENCES 6
HFW1130K02Reference document
Same NSN cross-reference
Reference document — Secondary reference
ER3AD003Reference document
Same NSN cross-reference
Reference document — Secondary reference
2K2299-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
93210310-09Reference document
Same NSN cross-reference
Reference document — Secondary reference
WSLB3-6-26-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
M39016/6-204LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-5757/9?
MIL-R-5757/9 is a RELAY,ELECTROMAGNETIC.
What parts can replace MIL-R-5757/9?
There are 6 known substitutes for MIL-R-5757/9: HFW1130K02, ER3AD003, 2K2299-6 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-5757/9?
MIL-R-5757/9 is cataloged in the U.S. Government catalog under NSN 5945-00-138-7761. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.