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Worldwide distributor of NSN parts and consumables located in the USA.

Electromagnetic Relay

Model / MPN: FF138B | NSN: 5945-00-845-0344
ITAR Registered seal

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coi (s) . Includes solenoid and armature types. Excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

Product Details
NATO Stock Number
5945-00-845-0344
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a fourth mounting facility
Thread Class
2a first mounting facility
Thread Class
2a second mounting facility
Thread Class
2a third mounting facility
Overall Length
3.468 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.125 inches single mounting facility
Overall Height
2.625 inches
Overall Width
2.500 inches
Mounting Slot Width
0.281 inches single mounting facility
Overall Diameter
1.640 inches
Winding Quantity
1
Coil Quantity
1
Mounting Facility Type And Quantity
1 slotted hole single mounting facility
Thread Size
0.188 inches first mounting facility
Thread Size
0.188 inches second mounting facility
Thread Size
0.312 inches fourth mounting facility
Thread Size
0.312 inches third mounting facility
Mounting Facility Pattern
In-line single mounting facility
Minimum Differential Electrical Operating Rating
12.0 volts
Main Contact Maximum Voltage Rating In Volts
12.0 dc
Thread Series Designator
Unf first mounting facility
Thread Series Designator
Unf fourth mounting facility
Thread Series Designator
Unf second mounting facility
Thread Series Designator
Unf third mounting facility
Terminal Type And Quantity
4 threaded stud contacts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M518T522Z Relay, Electromagnet 46 EA 05/29/2018
SPE7M119T3229 Relay, Electromagnet 46 EA 11/26/2018

Pricing and Availability

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FF138B Cross Reference
  • 311006
  • 311006
  • SW220
  • ST542
  • SW220
  • FF138B