Model: 1978-1

Thermostatic Switch

Properties:

Thread Class
2b all threaded hole
Hazardous Locations/environmental Protection
Driptight
Overall Length
3.875 inches
Overall Height
2.000 inches
Overall Width
2.750 inches
Body Length
3.000 inches
Longest Horizontal Distance Between Mounting Centers
2.375 inches
Longest Vertical Distance Between Mounting Centers
1.250 inches
Tempurature Sensing Element Type
Internal sensor
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 150.0 degrees fahrenheit
Mounting Method
Threaded hole
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Increase
Thread Size
0.138 inches all threaded hole
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
10.0 amperes inductive load single voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+0.00/+90.00 actuation point degrees fahrenheit
Contact Adjustment Type
External actuation point shaft
Contact Voltage Rating In Volts
24.0 dc at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Unc all threaded hole
NSN
5930-00-782-6149
Part Number
1978-1
Description
Switch,thermostatic
CAGE
03972

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part 1978-1 NSN 5930-00-782-6149

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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