Model: 26521-1

Thermostatic Switch

Properties:

Thread Class
3a single threaded bushing
Thread Length
0.594 inches single threaded bushing and 0.625 inches single threaded bushing
Overall Length
7.469 inches
Overall Height
Between 1.297 inches and 1.328 inches
Overall Width
Between 0.859 inches and 0.891 inches
Body Diameter
Between 0.234 inches and 0.266 inches
Body Length
3.328 inches
Bulb Length
3.515 inches
Bulb Diameter
Between 0.234 inches and 0.266 inches
Tempurature Sensing Element Type
Bulb
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
20 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.500 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
1.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Adjustment Range
-20.00/+1750.00 actuation point degrees fahrenheit and -20.00/+1750.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External deactuation point screw and external actuation point screw
Contact Stimulus Rating
1120.00 actuation point degrees fahrenheit and 1105.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Gas
Style Designator
Rectangular
Thread Series Designator
Unf single threaded bushing
NSN
5930-00-979-5682
Part Number
26521-1
Description
Switch,thermostatic
CAGE
55820

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 26521-1 NSN 5930-00-979-5682

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:
0.5000lbs
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:
723
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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