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Electronic Chopper

NSN: 5945-00-132-2305 | Model: 354-1040-00
ITAR Registered seal

An electromechanical or electronic (includes solid state semiconductor items) device designed to convert an electrical signal into a modified square wave output signal. For items excited by an alternating current, the output signal is the same frequency as, and bears a definite phase relationship to, the excitation voltage. For those electronic items designed to operate on direct current only, the output frequency of the item is dependent upon the inherent properties of the item, or the internal or external circuit constants, or the applied driving coil voltage impressed on the input signal. For an electromechanical item whose coil is designed for direct current only, see vibrator, interrupter and vibrator, self-rectifying.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Terminal Quantity
Terminal Type
Solder lug/stud
Mounting Provision
Overall Length
1.250 inches
Overall Height
1.531 inches
Overall Width
0.781 inches
Case Material
Operating Tempurature Range
-65.0 to 125.0 degrees celsius
Mounting Facility Quantity
Mounting Configuration
Four 0.125 in. Mtg holes on 0.375 in. By 1.000 in. Mtg centers
Coil Type
Not isolated
Contact Arrangement
Double pole, double throw
Input Voltage Rating
6.3 ac volts
Unit Type
Mounting Facility Size
0.125 in. Dia
Mounting Method
Hermetically Sealed Feature
Drive Voltage Relationship To Input Voltage
Output/input Voltage Relationship
Contact Operation Sequence
Breaks before makes
Contact Voltage Rating
20.0 dc volts
Contact Current Rating
1.0 milliamperes
Phase Angle In Deg
Dwell Time Rating In Deg
Plug In Mounting Feature
Not provided

Pricing and Availability

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NSN 5945-00-132-2305 Datasheet

Supply Class (FSC):
Relays And Solenoids
Cross Reference:
  • 354-1040-00
  • C1433-57
Cage Codes:
  • Rockwell Collins, Inc. (CAGE 13499)
  • Bristol Babcock Inc (CAGE 08664)
Schedule B & Trade:
  • Schedule B: 8538907080 (NAICS 335314)

    Parts suitable for use solely or principally with the apparatus for heading 8535, 8536, 8537, Nisei

  • SITC: 77282

    Parts of electrical apparatus for switching or protecting electrical circuits for making connections to or in electrical circuits, n.E.S.

  • End Use: 20005

    Electric apparatus


N - Indicates there is no data in the humors 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:

    658 - Electrical appliances, small

  • 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)

  • 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

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,474.77 to $2,457.95..
Does NSN 5945-00-132-2305 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 Navy, and Spain
What is the NIIN of NSN 5945-00-132-2305?
001322305 or 00-132-2305
Does NSN 5945-00-132-2305 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5945-00-132-2305?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 13, 1968