Model: 644881-1

Thermostatic Switch

Properties:

Thread Class
2a single threaded bushing
Thread Length
0.436 inches single threaded bushing
Overall Length
5.200 inches
Overall Height
1.030 inches
Overall Width
1.030 inches
Bulb Length
1.974 inches
Bulb Diameter
0.350 inches
Tempurature Sensing Element Type
Bulb
Mounting Method
Threaded bushing
Features Provided
Electrical box connector
Thready Qty Per Inch (tpi)
28 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.500 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
200.00 actuation point degrees fahrenheit and 190.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
110.0 ac at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Unef single threaded bushing
NSN
5930-00-854-2600
Part Number
644881-1
Description
Switch,thermostatic
CAGE
98897

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 644881-1 NSN 5930-00-854-2600

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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