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Electromagnetic Relay

NSN: 5945-01-365-9953 | Model: SM50D8

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.

NSN Properties and Flags
NATO Stock Number
Overall Length
2.750 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.180 inches single mounting facility
Overall Height
2.625 inches
Overall Width
2.125 inches
Unthreaded Mounting Hole Diameter
0.219 inches single mounting facility
Winding Quantity
Coil Quantity
Winding Dc Resistance Rating
94.0 ohms single winding
Duty Type
Mounting Facility Type And Quantity
2 unthreaded hole single mounting facility
Mounting Facility Pattern
In-line single mounting facility
Nonpile-up Main Contact Arrangement
1 pole, single throw, normally open, double make, momentary action
Operating Voltage Rating And Type At Specificationified Temp
28.0 volts dc 25 degrees celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
50.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
28.0 dc
Terminal Type And Quantity
4 screw all functions
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M119T664K 2019-09-23 PMCMU 287 EA
SPE7M118T9195 2018-02-12 PMCMU 285 EA

Inventory Check

The last inventory check on this NSN was done on 09/29/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 2
  • New: 34

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5945-01-365-9953 Datasheet

Supply Class (FSC):
Relays And Solenoids
Cross Reference:
  • SM50D8
  • 88-21082
Cage Codes:
  • Labinal, Llc (CAGE 81640)
  • Department Of Defense Project (CAGE 30554)
Schedule B & Trade:
  • Schedule B: 8536410020 (NAICS 335314)

    Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v

  • SITC: 77254

    Relays for electrical apparatus used with electrical circuits not exceeding 1, 000 volts

  • End Use: 20005

    Electric apparatus


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    061300 - Circuit breaker/switch noi

  • WCC:

    72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LCL:

    P - 77.5

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $369.00 to $614.99..
Does NSN 5945-01-365-9953 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Lithuania, Spain, Australia, Canada, New Zealand, Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 5945-01-365-9953?
013659953 or 01-365-9953
Does NSN 5945-01-365-9953 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5945-01-365-9953?
Solicitation SPE7M119T664K for qty 287 on 09/13/2019
When was this national stock number assigned to the federal catalog?
Oct 19, 1992