#A28AA-4 Thermostat | Switches

A28AA-4

Thermostatic Switch

NSN 5930-01-043-5891

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010435891

Detail Specifications

Overall Height:
2.250 inches
Overall Width:
2.141 inches
Body Length:
4.391 inches
Unthreaded Mounting Hole Diameter:
0.280 inches
Longest Horizontal Distance Between Mounting Centers:
1.562 inches
Longest Vertical Distance Between Mounting Centers:
2.938 inches
Tempurature Sensing Element Type:
Internal sensor
Operating Tempurature Rating:
Between -30.0 degrees fahrenheit and 140.0 degrees fahrenheit
Mounting Method:
Unthreaded hole
Contact Action Stimulus:
Increase
Mounting Facility Pattern:
Four position rectangular
Nonpile-up Contact Arrangement:
1 pole, double throw, one position momentary
Terminal Type:
Screw
Contact Load Current Rating:
16.0 amperes resistive load first voltage
Contact Load Current Rating:
8.0 amperes resistive load second voltage
Contact Adjustability:
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range:
+30.00/+110.00 actuation point degrees fahrenheit and +26.00/+106.00 deactuation point degrees fahrenheit
Contact Adjustment Type:
External deactuation point dial and external actuation point dial
Contact Voltage Rating In Volts:
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts:
240.0 ac at sea level second voltage
Media For Which Designed:
Gas or liquid
NSN:
5930-01-043-5891
Item Name:
Thermostat
Cage Code:
92578

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
A28AA-4C
Cage Code:
92578
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
A28AA-4
Cage Code:
26494
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Thermostatic Switches
------------ P/N A28AA-4

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Last Updated: 08/19/2025