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77939 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

77939: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL, duty_type: CONTINUOUS, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 3.150 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-201-7207, 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
77939
NSN: 5945-00-201-7207
NIINs: 002017207, 004190825, 011226005, 016311573
FSC: 5945 — Relays and Solenoids
CAGE: 78277 — SIGMA INSTRUMENTS INC (USA)
SPECIFICATIONS
materialSTEEL
duty_typeCONTINUOUS
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width1.500 INCHES NOMINAL IN
overall_height3.150 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
inside_diameter1.575 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN
outside_diameter2.000 INCHES NOMINAL IN
special_featuresOPTIONAL 3/8" FLEXIBLE DRAIN, 24" LONG FITTING ONE END ONLY
winding_quantity1
NSN5945-00-201-7207
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 77939 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY
•
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 150.0 DC
•
MOUNTING FACILITY PATTERN: IN-LINE SINGLE MOUNTING FACILITY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 200.0 MILLIAMPERES DC RESISTIVE LOAD
•
DUTY TYPE: CONTINUOUS
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED STUD(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT3.150 INCHES NOMINAL IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS150.0 DC
MOUNTING FACILITY PATTERNIN-LINE SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE200.0 MILLIAMPERES DC RESISTIVE LOAD
DUTY TYPECONTINUOUS
OVERALL LENGTH1.500 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
WINDING DC RESISTANCE RATING9.0 KILOHMS MINIMUM AND 11.0 KILOHMS MAXIMUM SINGLE WINDING
SUBSTITUTES & CROSS-REFERENCES 2
RL1049REVEReference document
Same NSN cross-reference
Reference document — Design control — primary reference
SRJReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77939?
77939 is a RELAY,ELECTROMAGNETIC.
What parts can replace 77939?
There are 2 known substitutes for 77939: RL1049REVE, SRJ. Substitute compatibility should be verified for your specific system.
What is the NSN for 77939?
77939 is cataloged in the U.S. Government catalog under NSN 5945-00-201-7207. This indicates validated use in U.S. government and defense supply chains.
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