Model: 266-8402-020

Pressure Switch

Properties:

Thread Class
3a all pressure connection
Thread Class
3a single threaded bushing
Hazardous Locations/environmental Protection
Vibration resistant and humidity resistant and salt spray resistant
Overall Length
3.270 inches
Overall Height
0.860 inches
Overall Width
1.570 inches
Body Length
2.223 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -10.0 degrees celsius and 60.0 degrees celsius
Mounting Method
Threaded bushing
Features Provided
Electrical box connector
Thready Qty Per Inch (tpi)
20 all pressure connection
Thready Qty Per Inch (tpi)
20 single threaded bushing
Contact Action Stimulus
Increase
Proof Pressure
300.00 pounds per square inch gage
Thread Size
0.438 inches single pressure connection
Thread Size
0.438 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
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
50.00 actuation point pounds per square inch and 20.00 deactuation point pounds per square inch and 30.00 differential point pounds per square inch
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Pressure Connector Type
Flared, threaded external all connections
Media For Which Designed
Gas
Style Designator
Cylindrical
Thread Series Designator
Unf all pressure connection
Thread Series Designator
Unf single threaded bushing
NSN
5930-00-346-7989
Part Number
266-8402-020
Description
Switch,pressure
CAGE
13499

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.

Part 266-8402-020 NSN 5930-00-346-7989

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
App. Key:
D
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: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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