#A757D Antenna Switching Relay | Relays And Solenoids

A757D

Electromagnetic Relay

NSN 5945-00-791-5838

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007915838

Product Technical Spec.

Overall Length:
4.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Length:
3.000 inches single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.000 inches single mounting facility
Overall Height:
4.000 inches
Overall Width:
4.000 inches
Unthreaded Mounting Hole Diameter:
0.196 inches single mounting facility
Winding Quantity:
2
Coil Quantity:
1
Duty Type:
Continuous
Mounting Facility Type And Quantity:
4 unthreaded hole single mounting facility
Mounting Facility Pattern:
Rectangular single mounting facility
Nonpile-up Main Contact Arrangement:
1 pole, single throw, normally closed, momentary action
Operating Current Rating And Type:
400.0 milliamperes dc all windings
Nonpile-up Auxiliary Contact Arrangement:
1 pole, single throw, normally open, momentary action and 1 pole, single throw, normally closed, momentary action
Operating Voltage Rating And Type At Specificationified Temp:
28.0 volts dc 25 degrees celsius all windings
Main Contact Load Current Rating At Maximum Rated Voltage:
600.0 amperes dc resistive load
Precious Material And Location:
Nut external surfaces silver
Precious Material:
Silver
Terminal Type And Quantity:
8 threaded stud all functions
NSN:
5945-00-791-5838
Item Name:
Antenna Switching Relay
Cage Code:
74063

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
HE455-0008-0001
Cage Code:
43999
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Relays And Solenoids
--------- Electromagnetic Relays
------------ P/N A757D

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Last Updated: 08/14/2025