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

Sensitive Switch

Model / MPN: A4-20-103 | NSN: 5930-00-729-8720
ITAR Registered seal

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.

Product Details
NATO Stock Number
5930-00-729-8720
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Body Style
Hole mounted
Overall Length
0.781 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
0.375 inches
Overall Height
1.125 inches
Overall Width
0.391 inches
Body Length
0.781 inches
Body Width
0.391 inches
Body Height
0.359 inches
Unthreaded Mounting Hole Diameter
0.088 inches
Actuator Style
Round
Actuator Diameter
0.092 inches
Actuator Free Position Height
0.330 inches
Actuator Adapter Style
Pushbutton
Adapter Bushing Length
0.375 inches
Maximum Voltage Rating In Volts
250.0 ac and 30.0 dc
End Application
Weapon system-missile, minuteman lgm-30
Inclosure Type
Fully enclosed
Mounting Method
Unthreaded hole
Thready Qty Per Inch (tpi)
40
Thread Size
0.250 inches
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary single switch unit
Switch Release Force
4.0 ounces
Switch Actuating Force
16.0 ounces
Actuator Movement
Between 0.030 pretravel inches and 0.005 overtravel inches and 0.004 differential inches
Contact Load Current Rating At Maximum Rated Voltage
4.000 amperes resistive dc and 3.000 amperes inductive dc and 5.000 amperes resistive ac
Thread Series Designator
Uns
Terminal Type And Quantity
3 solder stud
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M215T2878 Switch, Sensitive 81 EA 05/18/2015
SPE7M217T1738 Switch, Sensitive 65 EA 02/23/2017
SPE7M217T2199 Switch, Sensitive 65 EA 03/27/2017
SPE7M218T2154 Switch, Sensitive 250 EA 03/19/2018

Pricing and Availability

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A4-20-103 Cross Reference
  • 04760034+001
  • 1LJ1-2C
  • 8908293
  • 1LJ1-1E
  • SWPB14
  • IPB5
  • 04760034-001
  • SMB189808
  • 20-001-10
  • 1PB5
  • C218787-1
  • 697255-010
  • 190146
  • 1834443-1
  • 723909
  • 452-0119-001
  • 1PB5
  • 58027-2
  • 2JC2935H01
  • 1PB5
  • 27-0402
  • 1LJ1-1E
  • 1SJ1-26E
  • 1LJ1-26E
  • 1SJ1-2
  • IPB5
  • 492-1021