PartsTable
Technical Data Sheet
PartsTable / COMPONENT / CR2791G121A4
CR2791G121A4 ✓ 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 duty_type: CONTINUOUS, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.670 INCHES NOMINAL IN, overall_height: 1.460 INCHES NOMINAL IN, overall_length: 2.590 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES SINGLE MOUNTING FACILITY 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 5945-00-539-2942, 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
CR2791G121A4
NSN: 5945-00-539-2942
FSC: 5945
CAGE: 93125 — GENERAL ELECTRIC CO INDUSTRY CONTROL DEPT OF SWITCHGEAR AND CONTROL DIVISION OF APPARATUS GROUP (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width1.670 INCHES NOMINAL IN
overall_height1.460 INCHES NOMINAL IN
overall_length2.590 INCHES NOMINAL IN
winding_quantity1
nominal_thread_size0.138 INCHES SINGLE MOUNTING FACILITY IN
environmental_protectionHERMETIC
thread_quantity_per_inch32 SINGLE MOUNTING FACILITY
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
mounting_facility_patternTRIANGLE SINGLE MOUNTING FACILITY
NSN5945-00-539-2942
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN CR2791G121A4 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE: 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
NONPILE-UP MAIN CONTACT ARRANGEMENT: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE MOUNTING FACILITY IN
•
DUTY TYPE: CONTINUOUS
•
WINDING QUANTITY: 1
•
MOUNTING FACILITY PATTERN: TRIANGLE SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO THE ALTITUDE OF AN ISOSCELES TRIANGLE1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
NONPILE-UP MAIN CONTACT ARRANGEMENT4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
NOMINAL THREAD SIZE0.138 INCHES SINGLE MOUNTING FACILITY IN
DUTY TYPECONTINUOUS
OVERALL LENGTH2.590 INCHES NOMINAL IN
WINDING QUANTITY1
MOUNTING FACILITY PATTERNTRIANGLE SINGLE MOUNTING FACILITY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
THREAD CLASS2A SINGLE MOUNTING FACILITY A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
12075Interchangeable
interchangeable cross-reference
interchangeable
ECM-635Interchangeable
interchangeable cross-reference
interchangeable
17635Interchangeable
interchangeable cross-reference
interchangeable
52699 PC6Interchangeable
interchangeable cross-reference
interchangeable
PL-52699 PC6Interchangeable
interchangeable cross-reference
interchangeable
HMD5-4C425Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy CR2791G121A4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is CR2791G121A4?
CR2791G121A4 is a RELAY,ELECTROMAGNETIC.
What parts can replace CR2791G121A4?
There are 6 known substitutes for CR2791G121A4: 12075, ECM-635, 17635 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CR2791G121A4?
CR2791G121A4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-539-2942. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — CR2791G121A4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026