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

Pressure Switch

Model / MPN: 21SN04-139 | NSN: 5930-01-047-8916
ITAR Registered seal

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Product Details
NATO Stock Number
5930-01-047-8916
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Overall Length
3.360 inches
Overall Diameter
2.000 inches
Pressure Switch Type
Absolute
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, double throw, both positions maintained
Contact Adjustability
Actuation point adjustable, preset
Contact Stimulus Rating
2.50 deactuation point pounds per square inch
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M815T4526 Switch, Pressure 38 EA 09/14/2015
SPE7M817T0407 Switch, Pressure 50 EA 11/14/2016
SPE7M817T0935 Switch, Pressure 56 EA 12/27/2016
SPE7M817T2289 Switch, Pressure 45 EA 04/03/2017
SPE7M817T2632 Switch, Pressure 48 EA 04/24/2017
SP470518T0037 Switch, Pressure 48 EA 12/11/2017
SPE7M818T1110 Switch, Pressure 51 EA 03/19/2018
SPE7M818T2651 Switch, Pressure 51 EA 08/20/2018
SPE7M819T0265 Switch, Pressure 59 EA 10/22/2018
SPE7M819T4586 Switch, Pressure 46 EA 05/13/2019
SPE7M819T6331 Switch, Pressure 39 EA 08/19/2019
SPE7M820T0749 Switch, Pressure 50 EA 11/25/2019
SPE7M820T1971 Switch, Pressure 43 EA 01/27/2020
SPE7M120U0113 Switch, Pressure 121 EA 02/28/2020

Pricing and Availability

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21SN04-139 Cross Reference
  • 5146-1
  • 16VP030-1