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Technical Data Sheet
B-3-47A ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include color: WHITE, COLOR ASSN OF THE US, 67101 CHEVRON, duty_type: CONTINUOUS, time_delay: 0.01 SECONDS MAXIMUM FIXED RELEASE TIME, overall_width: 3.210 INCHES NOMINAL IN, fiber_material: RAYON CHEVRON, overall_height: 3.780 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-508-1808, 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
B-3-47A
NSN: 5945-00-508-1808
FSC: 5945
CAGE: 74063 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
colorWHITE, COLOR ASSN OF THE US, 67101 CHEVRON
duty_typeCONTINUOUS
time_delay0.01 SECONDS MAXIMUM FIXED RELEASE TIME
coil_quantity1
overall_width3.210 INCHES NOMINAL IN
fiber_materialRAYON CHEVRON
overall_height3.780 INCHES NOMINAL IN
overall_length3.200 INCHES NOMINAL IN
user_designatorENLISTED MAN
size_designationLARGE
special_featuresSIZE DESIGNATION-SMALL;COLOR-AF GREY BACKGROUND, DARK EMBROIDERY
winding_quantity1
NSN5945-00-508-1808
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN B-3-47A MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
AUXILIARY CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
TERMINAL TYPE AND QUANTITY: 19 THREADED STUD ALL FUNCTIONS
FEATURES PROVIDED: COIL VOLTAGE SUPPRESSION AND POLARIZED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY: 1
UNTHREADED MOUNTING HOLE DIAMETER: 0.182 INCHES MINIMUM AND 0.197 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
DUTY TYPE: CONTINUOUS
TECHNICAL CHARACTERISTICS (FLIS)
AUXILIARY CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
TERMINAL TYPE AND QUANTITY19 THREADED STUD ALL FUNCTIONS
FEATURES PROVIDEDCOIL VOLTAGE SUPPRESSION AND POLARIZED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY1
UNTHREADED MOUNTING HOLE DIAMETER0.182 INCHES MINIMUM AND 0.197 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
DUTY TYPECONTINUOUS
COIL QUANTITY1
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.730 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B-3-47A & B-3-42BInterchangeable
interchangeable cross-reference
interchangeable
MIL-I-14651Interchangeable
interchangeable cross-reference
interchangeable
B-3-42CInterchangeable
interchangeable cross-reference
interchangeable
B-3-47Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14651Interchangeable
interchangeable cross-reference
interchangeable
B-3-47AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-3-47A?
B-3-47A is a RELAY,ELECTROMAGNETIC.
What parts can replace B-3-47A?
There are 10 known substitutes for B-3-47A: B-3-47A & B-3-42B, MIL-I-14651, B-3-42C and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-3-47A?
B-3-47A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-508-1808. This indicates validated use in U.S. government and defense supply chains.
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